{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68174", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T13:41:40.251Z", "datePublished": "2025-12-16T13:42:53.891Z", "dateUpdated": "2025-12-16T13:42:53.891Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-16T13:42:53.891Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\namd/amdkfd: enhance kfd process check in switch partition\n\ncurrent switch partition only check if kfd_processes_table is empty.\nkfd_prcesses_table entry is deleted in kfd_process_notifier_release, but\nkfd_process tear down is in kfd_process_wq_release.\n\nconsider two processes:\n\nProcess A (workqueue) -> kfd_process_wq_release -> Access kfd_node member\nProcess B switch partition -> amdgpu_xcp_pre_partition_switch -> amdgpu_amdkfd_device_fini_sw\n-> kfd_node tear down.\n\nProcess A and B may trigger a race as shown in dmesg log.\n\nThis patch is to resolve the race by adding an atomic kfd_process counter\nkfd_processes_count, it increment as create kfd process, decrement as\nfinish kfd_process_wq_release.\n\nv2: Put kfd_processes_count per kfd_dev, move decrement to kfd_process_destroy_pdds\nand bug fix. (Philip Yang)\n\n[3966658.307702] divide error: 0000 [#1] SMP NOPTI\n[3966658.350818] i10nm_edac\n[3966658.356318] CPU: 124 PID: 38435 Comm: kworker/124:0 Kdump: loaded Tainted\n[3966658.356890] Workqueue: kfd_process_wq kfd_process_wq_release [amdgpu]\n[3966658.362839] nfit\n[3966658.366457] RIP: 0010:kfd_get_num_sdma_engines+0x17/0x40 [amdgpu]\n[3966658.366460] Code: 00 00 e9 ac 81 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 0f 1f 44 00 00 48 8b 4f 08 48 8b b7 00 01 00 00 8b 81 58 26 03 00 99 <f7> be b8 01 00 00 80 b9 70 2e 00 00 00 74 0b 83 f8 02 ba 02 00 00\n[3966658.380967] x86_pkg_temp_thermal\n[3966658.391529] RSP: 0018:ffffc900a0edfdd8 EFLAGS: 00010246\n[3966658.391531] RAX: 0000000000000008 RBX: ffff8974e593b800 RCX: ffff888645900000\n[3966658.391531] RDX: 0000000000000000 RSI: ffff888129154400 RDI: ffff888129151c00\n[3966658.391532] RBP: ffff8883ad79d400 R08: 0000000000000000 R09: ffff8890d2750af4\n[3966658.391532] R10: 0000000000000018 R11: 0000000000000018 R12: 0000000000000000\n[3966658.391533] R13: ffff8883ad79d400 R14: ffffe87ff662ba00 R15: ffff8974e593b800\n[3966658.391533] FS: 0000000000000000(0000) GS:ffff88fe7f600000(0000) knlGS:0000000000000000\n[3966658.391534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[3966658.391534] CR2: 0000000000d71000 CR3: 000000dd0e970004 CR4: 0000000002770ee0\n[3966658.391535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[3966658.391535] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\n[3966658.391536] PKRU: 55555554\n[3966658.391536] Call Trace:\n[3966658.391674] deallocate_sdma_queue+0x38/0xa0 [amdgpu]\n[3966658.391762] process_termination_cpsch+0x1ed/0x480 [amdgpu]\n[3966658.399754] intel_powerclamp\n[3966658.402831] kfd_process_dequeue_from_all_devices+0x5b/0xc0 [amdgpu]\n[3966658.402908] kfd_process_wq_release+0x1a/0x1a0 [amdgpu]\n[3966658.410516] coretemp\n[3966658.434016] process_one_work+0x1ad/0x380\n[3966658.434021] worker_thread+0x49/0x310\n[3966658.438963] kvm_intel\n[3966658.446041] ? process_one_work+0x380/0x380\n[3966658.446045] kthread+0x118/0x140\n[3966658.446047] ? __kthread_bind_mask+0x60/0x60\n[3966658.446050] ret_from_fork+0x1f/0x30\n[3966658.446053] Modules linked in: kpatch_20765354(OEK)\n[3966658.455310] kvm\n[3966658.464534] mptcp_diag xsk_diag raw_diag unix_diag af_packet_diag netlink_diag udp_diag act_pedit act_mirred act_vlan cls_flower kpatch_21951273(OEK) kpatch_18424469(OEK) kpatch_19749756(OEK)\n[3966658.473462] idxd_mdev\n[3966658.482306] kpatch_17971294(OEK) sch_ingress xt_conntrack amdgpu(OE) amdxcp(OE) amddrm_buddy(OE) amd_sched(OE) amdttm(OE) amdkcl(OE) intel_ifs iptable_mangle tcm_loop target_core_pscsi tcp_diag target_core_file inet_diag target_core_iblock target_core_user target_core_mod coldpgs kpatch_18383292(OEK) ip6table_nat ip6table_filter ip6_tables ip_set_hash_ipportip ip_set_hash_ipportnet ip_set_hash_ipport ip_set_bitmap_port xt_comment iptable_nat nf_nat iptable_filter ip_tables ip_set ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 sn_core_odd(OE) i40e overlay binfmt_misc tun bonding(OE) aisqos(OE) aisqo\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdkfd/kfd_device.c", "drivers/gpu/drm/amd/amdkfd/kfd_priv.h", "drivers/gpu/drm/amd/amdkfd/kfd_process.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "536d80f660ec12058e461f4db387ea42bee9250d", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "45da20e00d5da842e17dfc633072b127504f0d0e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdkfd/kfd_device.c", "drivers/gpu/drm/amd/amdkfd/kfd_priv.h", "drivers/gpu/drm/amd/amdkfd/kfd_process.c"], "versions": [{"version": "6.17.8", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.17.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/536d80f660ec12058e461f4db387ea42bee9250d"}, {"url": "https://git.kernel.org/stable/c/45da20e00d5da842e17dfc633072b127504f0d0e"}], "title": "amd/amdkfd: enhance kfd process check in switch partition", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\namd/amdkfd: enhance kfd process check in switch partition\n\ncurrent switch partition only check if kfd_processes_table is empty.\nkfd_prcesses_table entry is deleted in kfd_process_notifier_release, but\nkfd_process tear down is in kfd_process_wq_release.\n\nconsider two processes:\n\nProcess A (workqueue) -> kfd_process_wq_release -> Access kfd_node member\nProcess B switch partition -> amdgpu_xcp_pre_partition_switch -> amdgpu_amdkfd_device_fini_sw\n-> kfd_node tear down.\n\nProcess A and B may trigger a race as shown in dmesg log.\n\nThis patch is to resolve the race by adding an atomic kfd_process counter\nkfd_processes_count, it increment as create kfd process, decrement as\nfinish kfd_process_wq_release.\n\nv2: Put kfd_processes_count per kfd_dev, move decrement to kfd_process_destroy_pdds\nand bug fix. (Philip Yang)\n\n[3966658.307702] divide error: 0000 [#1] SMP NOPTI\n[3966658.350818] i10nm_edac\n[3966658.356318] CPU: 124 PID: 38435 Comm: kworker/124:0 Kdump: loaded Tainted\n[3966658.356890] Workqueue: kfd_process_wq kfd_process_wq_release [amdgpu]\n[3966658.362839] nfit\n[3966658.366457] RIP: 0010:kfd_get_num_sdma_engines+0x17/0x40 [amdgpu]\n[3966658.366460] Code: 00 00 e9 ac 81 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 0f 1f 44 00 00 48 8b 4f 08 48 8b b7 00 01 00 00 8b 81 58 26 03 00 99 <f7> be b8 01 00 00 80 b9 70 2e 00 00 00 74 0b 83 f8 02 ba 02 00 00\n[3966658.380967] x86_pkg_temp_thermal\n[3966658.391529] RSP: 0018:ffffc900a0edfdd8 EFLAGS: 00010246\n[3966658.391531] RAX: 0000000000000008 RBX: ffff8974e593b800 RCX: ffff888645900000\n[3966658.391531] RDX: 0000000000000000 RSI: ffff888129154400 RDI: ffff888129151c00\n[3966658.391532] RBP: ffff8883ad79d400 R08: 0000000000000000 R09: ffff8890d2750af4\n[3966658.391532] R10: 0000000000000018 R11: 0000000000000018 R12: 0000000000000000\n[3966658.391533] R13: ffff8883ad79d400 R14: ffffe87ff662ba00 R15: ffff8974e593b800\n[3966658.391533] FS: 0000000000000000(0000) GS:ffff88fe7f600000(0000) knlGS:0000000000000000\n[3966658.391534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[3966658.391534] CR2: 0000000000d71000 CR3: 000000dd0e970004 CR4: 0000000002770ee0\n[3966658.391535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[3966658.391535] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\n[3966658.391536] PKRU: 55555554\n[3966658.391536] Call Trace:\n[3966658.391674] deallocate_sdma_queue+0x38/0xa0 [amdgpu]\n[3966658.391762] process_termination_cpsch+0x1ed/0x480 [amdgpu]\n[3966658.399754] intel_powerclamp\n[3966658.402831] kfd_process_dequeue_from_all_devices+0x5b/0xc0 [amdgpu]\n[3966658.402908] kfd_process_wq_release+0x1a/0x1a0 [amdgpu]\n[3966658.410516] coretemp\n[3966658.434016] process_one_work+0x1ad/0x380\n[3966658.434021] worker_thread+0x49/0x310\n[3966658.438963] kvm_intel\n[3966658.446041] ? process_one_work+0x380/0x380\n[3966658.446045] kthread+0x118/0x140\n[3966658.446047] ? __kthread_bind_mask+0x60/0x60\n[3966658.446050] ret_from_fork+0x1f/0x30\n[3966658.446053] Modules linked in: kpatch_20765354(OEK)\n[3966658.455310] kvm\n[3966658.464534] mptcp_diag xsk_diag raw_diag unix_diag af_packet_diag netlink_diag udp_diag act_pedit act_mirred act_vlan cls_flower kpatch_21951273(OEK) kpatch_18424469(OEK) kpatch_19749756(OEK)\n[3966658.473462] idxd_mdev\n[3966658.482306] kpatch_17971294(OEK) sch_ingress xt_conntrack amdgpu(OE) amdxcp(OE) amddrm_buddy(OE) amd_sched(OE) amdttm(OE) amdkcl(OE) intel_ifs iptable_mangle tcm_loop target_core_pscsi tcp_diag target_core_file inet_diag target_core_iblock target_core_user target_core_mod coldpgs kpatch_18383292(OEK) ip6table_nat ip6table_filter ip6_tables ip_set_hash_ipportip ip_set_hash_ipportnet ip_set_hash_ipport ip_set_bitmap_port xt_comment iptable_nat nf_nat iptable_filter ip_tables ip_set ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 sn_core_odd(OE) i40e overlay binfmt_misc tun bonding(OE) aisqos(OE) aisqo\n---truncated---"}], "id": "CVE-2025-68174", "lastModified": "2025-12-16T14:15:49.323", "metrics": {}, "published": "2025-12-16T14:15:49.323", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/45da20e00d5da842e17dfc633072b127504f0d0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/536d80f660ec12058e461f4db387ea42bee9250d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: amd/amdkfd: enhance kfd process check in switch partition", "id": "2422691", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422691"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2025-68174", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68174\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68174\nhttps://lore.kernel.org/linux-cve-announce/2025121629-CVE-2025-68174-84da@gregkh/T"]}

{}