{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53071", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.382Z", "datePublished": "2026-06-24T16:30:12.694Z", "dateUpdated": "2026-06-24T16:30:12.694Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T16:30:12.694Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp\n\nl2cap_ecred_reconf_rsp() calls l2cap_chan_del() without holding\nl2cap_chan_lock(). Every other l2cap_chan_del() caller in the file\nacquires the lock first. A remote BLE device can send a crafted\nL2CAP ECRED reconfiguration response to corrupt the channel list\nwhile another thread is iterating it.\n\nAdd l2cap_chan_hold() and l2cap_chan_lock() before l2cap_chan_del(),\nand l2cap_chan_unlock() and l2cap_chan_put() after, matching the\npattern used in l2cap_ecred_conn_rsp() and l2cap_conn_del()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/l2cap_core.c"], "versions": [{"version": "15f02b91056253e8cdc592888f431da0731337b8", "lessThan": "96dca51715d86559ed6ed8028e5445cecb80f3ae", "status": "affected", "versionType": "git"}, {"version": "15f02b91056253e8cdc592888f431da0731337b8", "lessThan": "330b20ec97916961ee0e6c29c06bc0fa7c96e64c", "status": "affected", "versionType": "git"}, {"version": "15f02b91056253e8cdc592888f431da0731337b8", "lessThan": "0ccd75c51f620374086f359e906917676e699a1c", "status": "affected", "versionType": "git"}, {"version": "15f02b91056253e8cdc592888f431da0731337b8", "lessThan": "77a853aec710b2fdf41fa298ea3cbc9a4358f917", "status": "affected", "versionType": "git"}, {"version": "15f02b91056253e8cdc592888f431da0731337b8", "lessThan": "fe1188abdae9b7a8199dcdfcf9244d5e5d61eb14", "status": "affected", "versionType": "git"}, {"version": "15f02b91056253e8cdc592888f431da0731337b8", "lessThan": "dc89961b76f12aff47124c1df4bdb32a080f4d0c", "status": "affected", "versionType": "git"}, {"version": "15f02b91056253e8cdc592888f431da0731337b8", "lessThan": "5501d055a1ce3c747141e3955ba8cf034d193f3e", "status": "affected", "versionType": "git"}, {"version": "15f02b91056253e8cdc592888f431da0731337b8", "lessThan": "42776497cdbc9a665b384a6dcb85f0d4bd927eab", "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/bluetooth/l2cap_core.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.7", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/96dca51715d86559ed6ed8028e5445cecb80f3ae"}, {"url": "https://git.kernel.org/stable/c/330b20ec97916961ee0e6c29c06bc0fa7c96e64c"}, {"url": "https://git.kernel.org/stable/c/0ccd75c51f620374086f359e906917676e699a1c"}, {"url": "https://git.kernel.org/stable/c/77a853aec710b2fdf41fa298ea3cbc9a4358f917"}, {"url": "https://git.kernel.org/stable/c/fe1188abdae9b7a8199dcdfcf9244d5e5d61eb14"}, {"url": "https://git.kernel.org/stable/c/dc89961b76f12aff47124c1df4bdb32a080f4d0c"}, {"url": "https://git.kernel.org/stable/c/5501d055a1ce3c747141e3955ba8cf034d193f3e"}, {"url": "https://git.kernel.org/stable/c/42776497cdbc9a665b384a6dcb85f0d4bd927eab"}], "title": "Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp", "x_generator": {"engine": "bippy-1.2.0"}}}}

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