{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-40980", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-12T12:17:45.604Z", "datePublished": "2024-07-12T12:32:15.569Z", "dateUpdated": "2026-08-04T09:27:28.488Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-04T09:27:28.488Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrop_monitor: replace spin_lock by raw_spin_lock\n\ntrace_drop_common() is called with preemption disabled, and it acquires\na spin_lock. This is problematic for RT kernels because spin_locks are\nsleeping locks in this configuration, which causes the following splat:\n\nBUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\nin_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 449, name: rcuc/47\npreempt_count: 1, expected: 0\nRCU nest depth: 2, expected: 2\n5 locks held by rcuc/47/449:\n #0: ff1100086ec30a60 ((softirq_ctrl.lock)){+.+.}-{2:2}, at: __local_bh_disable_ip+0x105/0x210\n #1: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: rt_spin_lock+0xbf/0x130\n #2: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: __local_bh_disable_ip+0x11c/0x210\n #3: ffffffffb394a160 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x360/0xc70\n #4: ff1100086ee07520 (&data->lock){+.+.}-{2:2}, at: trace_drop_common.constprop.0+0xb5/0x290\nirq event stamp: 139909\nhardirqs last enabled at (139908): [<ffffffffb1df2b33>] _raw_spin_unlock_irqrestore+0x63/0x80\nhardirqs last disabled at (139909): [<ffffffffb19bd03d>] trace_drop_common.constprop.0+0x26d/0x290\nsoftirqs last enabled at (139892): [<ffffffffb07a1083>] __local_bh_enable_ip+0x103/0x170\nsoftirqs last disabled at (139898): [<ffffffffb0909b33>] rcu_cpu_kthread+0x93/0x1f0\nPreemption disabled at:\n[<ffffffffb1de786b>] rt_mutex_slowunlock+0xab/0x2e0\nCPU: 47 PID: 449 Comm: rcuc/47 Not tainted 6.9.0-rc2-rt1+ #7\nHardware name: Dell Inc. PowerEdge R650/0Y2G81, BIOS 1.6.5 04/15/2022\nCall Trace:\n <TASK>\n dump_stack_lvl+0x8c/0xd0\n dump_stack+0x14/0x20\n __might_resched+0x21e/0x2f0\n rt_spin_lock+0x5e/0x130\n ? trace_drop_common.constprop.0+0xb5/0x290\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n trace_drop_common.constprop.0+0xb5/0x290\n ? preempt_count_sub+0x1c/0xd0\n ? _raw_spin_unlock_irqrestore+0x4a/0x80\n ? __pfx_trace_drop_common.constprop.0+0x10/0x10\n ? rt_mutex_slowunlock+0x26a/0x2e0\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n ? __pfx_rt_mutex_slowunlock+0x10/0x10\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n trace_kfree_skb_hit+0x15/0x20\n trace_kfree_skb+0xe9/0x150\n kfree_skb_reason+0x7b/0x110\n skb_queue_purge_reason.part.0+0x1bf/0x230\n ? __pfx_skb_queue_purge_reason.part.0+0x10/0x10\n ? mark_lock.part.0+0x8a/0x520\n...\n\ntrace_drop_common() also disables interrupts, but this is a minor issue\nbecause we could easily replace it with a local_lock.\n\nReplace the spin_lock with raw_spin_lock to avoid sleeping in atomic\ncontext."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/drop_monitor.c"], "versions": [{"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "594e47957f3fe034645e6885393ce96c12286334", "status": "affected", "versionType": "git"}, {"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "96941f29ebcc1e9cbf570dc903f30374909562f5", "status": "affected", "versionType": "git"}, {"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "b3722fb69468693555f531cddda5c30444726dac", "status": "affected", "versionType": "git"}, {"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "f251ccef1d864790e5253386e95544420b7cd8f3", "status": "affected", "versionType": "git"}, {"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "76ce2f9125244e1708d29c1d3f9d1d50b347bda0", "status": "affected", "versionType": "git"}, {"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "07ea878684dfb78a9d4f564c39d07e855a9e242e", "status": "affected", "versionType": "git"}, {"version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "f1e197a665c2148ebc25fe09c53689e60afea195", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/drop_monitor.c"], "versions": [{"version": "2.6.31", "status": "affected"}, {"version": "0", "lessThan": "2.6.31", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.279", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.221", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.162", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.96", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.36", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9.7", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "5.4.279"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "5.10.221"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/f251ccef1d864790e5253386e95544420b7cd8f3"}, {"url": "https://git.kernel.org/stable/c/76ce2f9125244e1708d29c1d3f9d1d50b347bda0"}, {"url": "https://git.kernel.org/stable/c/07ea878684dfb78a9d4f564c39d07e855a9e242e"}, {"url": "https://git.kernel.org/stable/c/f1e197a665c2148ebc25fe09c53689e60afea195"}], "title": "drop_monitor: replace spin_lock by raw_spin_lock", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/594e47957f3fe034645e6885393ce96c12286334", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/96941f29ebcc1e9cbf570dc903f30374909562f5", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b3722fb69468693555f531cddda5c30444726dac", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f251ccef1d864790e5253386e95544420b7cd8f3", "tags": ["x_transferred"]}, {"url": 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"supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T11:56:03.129Z"}, "affected": [{"vendor": "Siemens", "product": "RUGGEDCOM RST2428P", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "RUGGEDCOM RST2428P", "versions": [{"status": "unaffected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family", "versions": [{"status": "unaffected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family", "versions": [{"status": "unaffected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": 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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/594e47957f3fe034645e6885393ce96c12286334", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/96941f29ebcc1e9cbf570dc903f30374909562f5", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b3722fb69468693555f531cddda5c30444726dac", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f251ccef1d864790e5253386e95544420b7cd8f3", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/76ce2f9125244e1708d29c1d3f9d1d50b347bda0", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/07ea878684dfb78a9d4f564c39d07e855a9e242e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f1e197a665c2148ebc25fe09c53689e60afea195", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:39:55.936Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-40980", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T17:02:23.500077Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:22.191Z"}}], "cna": {"title": "drop_monitor: replace spin_lock by raw_spin_lock", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "594e47957f3fe034645e6885393ce96c12286334", "versionType": "git"}, {"status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "96941f29ebcc1e9cbf570dc903f30374909562f5", "versionType": "git"}, {"status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "b3722fb69468693555f531cddda5c30444726dac", "versionType": "git"}, {"status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "f251ccef1d864790e5253386e95544420b7cd8f3", "versionType": "git"}, {"status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "76ce2f9125244e1708d29c1d3f9d1d50b347bda0", "versionType": "git"}, {"status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "07ea878684dfb78a9d4f564c39d07e855a9e242e", "versionType": "git"}, {"status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "lessThan": "f1e197a665c2148ebc25fe09c53689e60afea195", "versionType": "git"}], "programFiles": ["net/core/drop_monitor.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.31"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.31", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.279", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.221", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.162", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.96", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.36", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.9.7", "versionType": "semver", "lessThanOrEqual": "6.9.*"}, {"status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/core/drop_monitor.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/594e47957f3fe034645e6885393ce96c12286334"}, {"url": "https://git.kernel.org/stable/c/96941f29ebcc1e9cbf570dc903f30374909562f5"}, {"url": "https://git.kernel.org/stable/c/b3722fb69468693555f531cddda5c30444726dac"}, {"url": "https://git.kernel.org/stable/c/f251ccef1d864790e5253386e95544420b7cd8f3"}, {"url": "https://git.kernel.org/stable/c/76ce2f9125244e1708d29c1d3f9d1d50b347bda0"}, {"url": "https://git.kernel.org/stable/c/07ea878684dfb78a9d4f564c39d07e855a9e242e"}, {"url": "https://git.kernel.org/stable/c/f1e197a665c2148ebc25fe09c53689e60afea195"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrop_monitor: replace spin_lock by raw_spin_lock\n\ntrace_drop_common() is called with preemption disabled, and it acquires\na spin_lock. This is problematic for RT kernels because spin_locks are\nsleeping locks in this configuration, which causes the following splat:\n\nBUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\nin_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 449, name: rcuc/47\npreempt_count: 1, expected: 0\nRCU nest depth: 2, expected: 2\n5 locks held by rcuc/47/449:\n #0: ff1100086ec30a60 ((softirq_ctrl.lock)){+.+.}-{2:2}, at: __local_bh_disable_ip+0x105/0x210\n #1: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: rt_spin_lock+0xbf/0x130\n #2: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: __local_bh_disable_ip+0x11c/0x210\n #3: ffffffffb394a160 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x360/0xc70\n #4: ff1100086ee07520 (&data->lock){+.+.}-{2:2}, at: trace_drop_common.constprop.0+0xb5/0x290\nirq event stamp: 139909\nhardirqs last enabled at (139908): [<ffffffffb1df2b33>] _raw_spin_unlock_irqrestore+0x63/0x80\nhardirqs last disabled at (139909): [<ffffffffb19bd03d>] trace_drop_common.constprop.0+0x26d/0x290\nsoftirqs last enabled at (139892): [<ffffffffb07a1083>] __local_bh_enable_ip+0x103/0x170\nsoftirqs last disabled at (139898): [<ffffffffb0909b33>] rcu_cpu_kthread+0x93/0x1f0\nPreemption disabled at:\n[<ffffffffb1de786b>] rt_mutex_slowunlock+0xab/0x2e0\nCPU: 47 PID: 449 Comm: rcuc/47 Not tainted 6.9.0-rc2-rt1+ #7\nHardware name: Dell Inc. PowerEdge R650/0Y2G81, BIOS 1.6.5 04/15/2022\nCall Trace:\n <TASK>\n dump_stack_lvl+0x8c/0xd0\n dump_stack+0x14/0x20\n __might_resched+0x21e/0x2f0\n rt_spin_lock+0x5e/0x130\n ? trace_drop_common.constprop.0+0xb5/0x290\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n trace_drop_common.constprop.0+0xb5/0x290\n ? preempt_count_sub+0x1c/0xd0\n ? _raw_spin_unlock_irqrestore+0x4a/0x80\n ? __pfx_trace_drop_common.constprop.0+0x10/0x10\n ? rt_mutex_slowunlock+0x26a/0x2e0\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n ? __pfx_rt_mutex_slowunlock+0x10/0x10\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n trace_kfree_skb_hit+0x15/0x20\n trace_kfree_skb+0xe9/0x150\n kfree_skb_reason+0x7b/0x110\n skb_queue_purge_reason.part.0+0x1bf/0x230\n ? __pfx_skb_queue_purge_reason.part.0+0x10/0x10\n ? mark_lock.part.0+0x8a/0x520\n...\n\ntrace_drop_common() also disables interrupts, but this is a minor issue\nbecause we could easily replace it with a local_lock.\n\nReplace the spin_lock with raw_spin_lock to avoid sleeping in atomic\ncontext."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.279", "versionStartIncluding": "2.6.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.221", "versionStartIncluding": "2.6.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.162", "versionStartIncluding": "2.6.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.96", "versionStartIncluding": "2.6.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.36", "versionStartIncluding": "2.6.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.9.7", "versionStartIncluding": "2.6.31"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.10", "versionStartIncluding": "2.6.31"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-21T09:12:48.758Z"}}}, "cveMetadata": {"cveId": "CVE-2024-40980", "state": "PUBLISHED", "dateUpdated": "2025-05-21T09:12:48.758Z", "dateReserved": "2024-07-12T12:17:45.604Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-07-12T12:32:15.569Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/core/drop_monitor.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "594e47957f3fe034645e6885393ce96c12286334", "status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "versionType": "git"}, {"lessThan": "96941f29ebcc1e9cbf570dc903f30374909562f5", "status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "versionType": "git"}, {"lessThan": "b3722fb69468693555f531cddda5c30444726dac", "status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "versionType": "git"}, {"lessThan": "f251ccef1d864790e5253386e95544420b7cd8f3", "status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "versionType": "git"}, {"lessThan": "76ce2f9125244e1708d29c1d3f9d1d50b347bda0", "status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "versionType": "git"}, {"lessThan": "07ea878684dfb78a9d4f564c39d07e855a9e242e", "status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "versionType": "git"}, {"lessThan": "f1e197a665c2148ebc25fe09c53689e60afea195", "status": "affected", "version": "4ea7e38696c7e798c47ebbecadfd392f23f814f9", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/core/drop_monitor.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.31"}, {"lessThan": "2.6.31", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.279", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.221", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.162", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.96", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.36", "versionType": "semver"}, {"lessThanOrEqual": "6.9.*", "status": "unaffected", "version": "6.9.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"affectedData": [{"defaultStatus": "unknown", "product": "RUGGEDCOM RST2428P", "vendor": "Siemens", "versions": [{"lessThan": "V3.1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "RUGGEDCOM RST2428P", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family", "vendor": "Siemens", "versions": [{"lessThan": "V3.1", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "*", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5EBA530D-458E-447C-8744-13D4429CCC4A", "versionEndExcluding": "5.4.279", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "659E1520-6345-41AF-B893-A7C0647585A0", "versionEndExcluding": "5.10.221", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "10A39ACC-3005-40E8-875C-98A372D1FFD5", "versionEndExcluding": "5.15.162", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "61E887B4-732A-40D2-9983-CC6F281EBFB7", "versionEndExcluding": "6.1.96", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1046C95-860A-45B0-B718-2B29F65BFF10", "versionEndExcluding": "6.6.36", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C", "versionEndExcluding": "6.9.7", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrop_monitor: replace spin_lock by raw_spin_lock\n\ntrace_drop_common() is called with preemption disabled, and it acquires\na spin_lock. This is problematic for RT kernels because spin_locks are\nsleeping locks in this configuration, which causes the following splat:\n\nBUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\nin_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 449, name: rcuc/47\npreempt_count: 1, expected: 0\nRCU nest depth: 2, expected: 2\n5 locks held by rcuc/47/449:\n #0: ff1100086ec30a60 ((softirq_ctrl.lock)){+.+.}-{2:2}, at: __local_bh_disable_ip+0x105/0x210\n #1: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: rt_spin_lock+0xbf/0x130\n #2: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: __local_bh_disable_ip+0x11c/0x210\n #3: ffffffffb394a160 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x360/0xc70\n #4: ff1100086ee07520 (&data->lock){+.+.}-{2:2}, at: trace_drop_common.constprop.0+0xb5/0x290\nirq event stamp: 139909\nhardirqs last enabled at (139908): [<ffffffffb1df2b33>] _raw_spin_unlock_irqrestore+0x63/0x80\nhardirqs last disabled at (139909): [<ffffffffb19bd03d>] trace_drop_common.constprop.0+0x26d/0x290\nsoftirqs last enabled at (139892): [<ffffffffb07a1083>] __local_bh_enable_ip+0x103/0x170\nsoftirqs last disabled at (139898): [<ffffffffb0909b33>] rcu_cpu_kthread+0x93/0x1f0\nPreemption disabled at:\n[<ffffffffb1de786b>] rt_mutex_slowunlock+0xab/0x2e0\nCPU: 47 PID: 449 Comm: rcuc/47 Not tainted 6.9.0-rc2-rt1+ #7\nHardware name: Dell Inc. PowerEdge R650/0Y2G81, BIOS 1.6.5 04/15/2022\nCall Trace:\n <TASK>\n dump_stack_lvl+0x8c/0xd0\n dump_stack+0x14/0x20\n __might_resched+0x21e/0x2f0\n rt_spin_lock+0x5e/0x130\n ? trace_drop_common.constprop.0+0xb5/0x290\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n trace_drop_common.constprop.0+0xb5/0x290\n ? preempt_count_sub+0x1c/0xd0\n ? _raw_spin_unlock_irqrestore+0x4a/0x80\n ? __pfx_trace_drop_common.constprop.0+0x10/0x10\n ? rt_mutex_slowunlock+0x26a/0x2e0\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n ? __pfx_rt_mutex_slowunlock+0x10/0x10\n ? skb_queue_purge_reason.part.0+0x1bf/0x230\n trace_kfree_skb_hit+0x15/0x20\n trace_kfree_skb+0xe9/0x150\n kfree_skb_reason+0x7b/0x110\n skb_queue_purge_reason.part.0+0x1bf/0x230\n ? __pfx_skb_queue_purge_reason.part.0+0x10/0x10\n ? mark_lock.part.0+0x8a/0x520\n...\n\ntrace_drop_common() also disables interrupts, but this is a minor issue\nbecause we could easily replace it with a local_lock.\n\nReplace the spin_lock with raw_spin_lock to avoid sleeping in atomic\ncontext."}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: drop_monitor: reemplaza spin_lock por raw_spin_lock Se llama a trace_drop_common() con la preferencia deshabilitada y adquiere un spin_lock. Esto es problem\u00e1tico para los kernels RT porque los spin_locks son bloqueos inactivos en esta configuraci\u00f3n, lo que provoca el siguiente s\u00edmbolo: ERROR: funci\u00f3n inactiva llamada desde un contexto no v\u00e1lido en kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 1 , non_block: 0, pid: 449, nombre: rcuc/47 preempt_count: 1, esperado: 0 Profundidad del nido de RCU: 2, esperado: 2 5 bloqueos retenidos por rcuc/47/449: #0: ff1100086ec30a60 ((softirq_ctrl.lock) ){+.+.}-{2:2}, en: __local_bh_disable_ip+0x105/0x210 #1: fffffffffb394a280 (rcu_read_lock){....}-{1:2}, en: rt_spin_lock+0xbf/0x130 #2 : ffffffffb394a280 (rcu_read_lock){....}-{1:2}, en: __local_bh_disable_ip+0x11c/0x210 #3: ffffffffb394a160 (rcu_callback){....}-{0:0}, en: rcu_do_batch+0x360 /0xc70 #4: ff1100086ee07520 (&amp;data-&gt;lock){+.+.}-{2:2}, en: trace_drop_common.constprop.0+0xb5/0x290 sello de evento irq: 139909 hardirqs habilitado por \u00faltima vez en (139908): [ ] _raw_spin_unlock_irqrestore+0x63/0x80 hardirqs deshabilitado por \u00faltima vez en (139909): [] trace_drop_common.constprop.0+0x26d/0x290 softirqs habilitado por \u00faltima vez en (139892): [ ] __local_bh_enable_ip+0x103/0x170 softirqs \u00faltimamente deshabilitado en (139898): [] rcu_cpu_kthread+0x93/0x1f0 Prelaci\u00f3n deshabilitada en: [] rt_mutex_slowunlock+0xab/0x2e0 CPU: 47 PID: 449 Comm: rcuc/47 No contaminado 6.9.0-rc2 - rt1+ #7 Nombre del hardware: Dell Inc. PowerEdge R650/0Y2G81, BIOS 1.6.5 15/04/2022 Seguimiento de llamadas: dump_stack_lvl+0x8c/0xd0 dump_stack+0x14/0x20 __might_resched+0x21e/0x2f0 rt_spin_lock+0x5e/0x130 ? trace_drop_common.constprop.0+0xb5/0x290? skb_queue_purge_reason.part.0+0x1bf/0x230 trace_drop_common.constprop.0+0xb5/0x290 ? preempt_count_sub+0x1c/0xd0? _raw_spin_unlock_irqrestore+0x4a/0x80? __pfx_trace_drop_common.constprop.0+0x10/0x10? rt_mutex_slowunlock+0x26a/0x2e0? skb_queue_purge_reason.part.0+0x1bf/0x230? __pfx_rt_mutex_slowunlock+0x10/0x10? skb_queue_purge_reason.part.0+0x1bf/0x230 trace_kfree_skb_hit+0x15/0x20 trace_kfree_skb+0xe9/0x150 kfree_skb_reason+0x7b/0x110 skb_queue_purge_reason.part.0+0x1bf/0x230 ? __pfx_skb_queue_purge_reason.part.0+0x10/0x10 ? mark_lock.part.0+0x8a/0x520 ... trace_drop_common() tambi\u00e9n desactiva las interrupciones, pero este es un problema menor porque podr\u00edamos reemplazarlo f\u00e1cilmente con local_lock. Reemplace spin_lock con raw_spin_lock para evitar dormir en un contexto at\u00f3mico."}], "id": "CVE-2024-40980", "lastModified": "2026-06-17T07:47:00.680", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-40980", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T17:02:23.500077Z", "version": "2.0.3"}}]}, "published": "2024-07-12T13:15:19.550", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/07ea878684dfb78a9d4f564c39d07e855a9e242e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/594e47957f3fe034645e6885393ce96c12286334"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/76ce2f9125244e1708d29c1d3f9d1d50b347bda0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/96941f29ebcc1e9cbf570dc903f30374909562f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b3722fb69468693555f531cddda5c30444726dac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f1e197a665c2148ebc25fe09c53689e60afea195"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f251ccef1d864790e5253386e95544420b7cd8f3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/07ea878684dfb78a9d4f564c39d07e855a9e242e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/594e47957f3fe034645e6885393ce96c12286334"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/76ce2f9125244e1708d29c1d3f9d1d50b347bda0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/96941f29ebcc1e9cbf570dc903f30374909562f5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b3722fb69468693555f531cddda5c30444726dac"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f1e197a665c2148ebc25fe09c53689e60afea195"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f251ccef1d864790e5253386e95544420b7cd8f3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-355557.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drop_monitor: replace spin_lock by raw_spin_lock", "id": "2297564", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2297564"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-662", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrop_monitor: replace spin_lock by raw_spin_lock\ntrace_drop_common() is called with preemption disabled, and it acquires\na spin_lock. This is problematic for RT kernels because spin_locks are\nsleeping locks in this configuration, which causes the following splat:\nBUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\nin_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 449, name: rcuc/47\npreempt_count: 1, expected: 0\nRCU nest depth: 2, expected: 2\n5 locks held by rcuc/47/449:\n#0: ff1100086ec30a60 ((softirq_ctrl.lock)){+.+.}-{2:2}, at: __local_bh_disable_ip+0x105/0x210\n#1: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: rt_spin_lock+0xbf/0x130\n#2: ffffffffb394a280 (rcu_read_lock){....}-{1:2}, at: __local_bh_disable_ip+0x11c/0x210\n#3: ffffffffb394a160 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x360/0xc70\n#4: ff1100086ee07520 (&data->lock){+.+.}-{2:2}, at: trace_drop_common.constprop.0+0xb5/0x290\nirq event stamp: 139909\nhardirqs last enabled at (139908): [<ffffffffb1df2b33>] _raw_spin_unlock_irqrestore+0x63/0x80\nhardirqs last disabled at (139909): [<ffffffffb19bd03d>] trace_drop_common.constprop.0+0x26d/0x290\nsoftirqs last enabled at (139892): [<ffffffffb07a1083>] __local_bh_enable_ip+0x103/0x170\nsoftirqs last disabled at (139898): [<ffffffffb0909b33>] rcu_cpu_kthread+0x93/0x1f0\nPreemption disabled at:\n[<ffffffffb1de786b>] rt_mutex_slowunlock+0xab/0x2e0\nCPU: 47 PID: 449 Comm: rcuc/47 Not tainted 6.9.0-rc2-rt1+ #7\nHardware name: Dell Inc. PowerEdge R650/0Y2G81, BIOS 1.6.5 04/15/2022\nCall Trace:\n<TASK>\ndump_stack_lvl+0x8c/0xd0\ndump_stack+0x14/0x20\n__might_resched+0x21e/0x2f0\nrt_spin_lock+0x5e/0x130\n? trace_drop_common.constprop.0+0xb5/0x290\n? skb_queue_purge_reason.part.0+0x1bf/0x230\ntrace_drop_common.constprop.0+0xb5/0x290\n? preempt_count_sub+0x1c/0xd0\n? _raw_spin_unlock_irqrestore+0x4a/0x80\n? __pfx_trace_drop_common.constprop.0+0x10/0x10\n? rt_mutex_slowunlock+0x26a/0x2e0\n? skb_queue_purge_reason.part.0+0x1bf/0x230\n? __pfx_rt_mutex_slowunlock+0x10/0x10\n? skb_queue_purge_reason.part.0+0x1bf/0x230\ntrace_kfree_skb_hit+0x15/0x20\ntrace_kfree_skb+0xe9/0x150\nkfree_skb_reason+0x7b/0x110\nskb_queue_purge_reason.part.0+0x1bf/0x230\n? __pfx_skb_queue_purge_reason.part.0+0x10/0x10\n? mark_lock.part.0+0x8a/0x520\n...\ntrace_drop_common() also disables interrupts, but this is a minor issue\nbecause we could easily replace it with a local_lock.\nReplace the spin_lock with raw_spin_lock to avoid sleeping in atomic\ncontext."], "name": "CVE-2024-40980", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-40980\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-40980\nhttps://lore.kernel.org/linux-cve-announce/2024071231-CVE-2024-40980-cbeb@gregkh/T"], "threat_severity": "Moderate"}

{}