CVE-2026-64406

{"id": "CVE-2026-64406", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "751de6ec671fe75ad9cf65a0638d2a06b6a5984d", "lessThan": "c0577c55219be42b6ea2ea8db11e85bfab6f4e8d", "versionType": "git"}, {"status": "affected", "version": "407217734835d21d4e0105ebf347860dc1806f88", "lessThan": "96ad400d5132eb333f28f6f1e2d58f0728ca9547", "versionType": "git"}, {"status": "affected", "version": "7eebd4c2c86f573af87ff165d08a83432eb0b919", "lessThan": "0a98ff4e7b867f72fbb4e1237d81e9fa02ded0a0", "versionType": "git"}, {"status": "affected", "version": "5d86d2f1b4d9a508c441d3e45277ae1a73cfed57", "lessThan": "c66a95e60b65d876a927123b0ed36bd6177d9ca6", "versionType": "git"}, {"status": "affected", "version": "87c543e2f78d0871f271df92dab98901bbd5b6f5", "lessThan": "6303ed4bbe0095f4cc195225479bf506e010d1db", "versionType": "git"}, {"status": "affected", "version": "added1213395071470a900cc845a042fb51882a6", "lessThan": "26168db1ce5a9766cde021b18e590a101c056614", "versionType": "git"}, {"status": "affected", "version": "ab1513597c6cf17cd1ad2a21e3b045421b48e022", "lessThan": "50c662bdcd51b03033a0abed6716bfd377ba1049", "versionType": "git"}, {"status": "affected", "version": "ab1513597c6cf17cd1ad2a21e3b045421b48e022", "lessThan": "4bd0b274054f2679f28b70222b607bb0afc3ab9a", "versionType": "git"}, {"status": "affected", "version": "a5ca86a6097a8b030ca3226cd300b17ed330f966", "versionType": "git"}, {"status": "affected", "version": "5.10.259", "lessThan": "5.10.261", "versionType": "semver"}, {"status": "affected", "version": "5.15.210", "lessThan": "5.15.212", "versionType": "semver"}, {"status": "affected", "version": "6.1.175", "lessThan": "6.1.178", "versionType": "semver"}, {"status": "affected", "version": "6.6.142", "lessThan": "6.6.145", "versionType": "semver"}, {"status": "affected", "version": "6.12.92", "lessThan": "6.12.96", "versionType": "semver"}, {"status": "affected", "version": "6.18.34", "lessThan": "6.18.39", "versionType": "semver"}, {"status": "affected", "version": "7.0.11", "lessThan": "7.1", "versionType": "semver"}], "programFiles": ["net/bluetooth/af_bluetooth.c", "net/bluetooth/l2cap_sock.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "7.1"}, {"status": "unaffected", "version": "0", "lessThan": "7.1", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.261", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.178", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.96", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.39", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.4", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/bluetooth/af_bluetooth.c", "net/bluetooth/l2cap_sock.c"], "defaultStatus": "affected"}]}], "published": "2026-07-25T10:17:24.243", "references": [{"url": "https://git.kernel.org/stable/c/0a98ff4e7b867f72fbb4e1237d81e9fa02ded0a0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/26168db1ce5a9766cde021b18e590a101c056614", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4bd0b274054f2679f28b70222b607bb0afc3ab9a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/50c662bdcd51b03033a0abed6716bfd377ba1049", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6303ed4bbe0095f4cc195225479bf506e010d1db", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/96ad400d5132eb333f28f6f1e2d58f0728ca9547", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c0577c55219be42b6ea2ea8db11e85bfab6f4e8d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c66a95e60b65d876a927123b0ed36bd6177d9ca6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: fix UAF in bt_accept_dequeue()\n\nbt_accept_get() takes a temporary reference before dropping the accept\nqueue lock. bt_accept_dequeue() currently drops that reference before\nbt_accept_unlink(), leaving only the queue reference.\n\nbt_accept_unlink() drops the queue reference. The subsequent\nsock_hold() therefore accesses freed memory if it was the final\nreference, as observed by KASAN during listening L2CAP socket cleanup.\n\nRetain the temporary queue-walk reference through unlink and hand it to\nthe caller on success. Drop it explicitly on the closed and\nnot-yet-connected paths."}], "lastModified": "2026-09-04T15:30:13.627", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "429937D6-6F74-403A-B60A-AA311A9FA3AB", "versionEndExcluding": "5.10.261", "versionStartIncluding": "5.10.259"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "42434AE1-4361-420E-AC94-62114ADF9A54", "versionEndExcluding": "5.15.212", "versionStartIncluding": "5.15.210"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6476CFBE-7300-465C-8DBA-620D3D005F5A", "versionEndExcluding": "6.1.178", "versionStartIncluding": "6.1.175"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D144D922-9AD2-409A-85E8-D8620FC3CA68", "versionEndExcluding": "6.6.145", "versionStartIncluding": "6.6.142"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BDFE208F-4818-458A-AFBE-4ADB1689BDAF", "versionEndExcluding": "6.12.96", "versionStartIncluding": "6.12.92"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1CDB605-6051-43A2-A590-8940B9A47D45", "versionEndExcluding": "6.18.39", "versionStartIncluding": "6.18.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F099E30C-99C7-4E28-BFFA-57D8DCD36E9B", "versionEndExcluding": "7.1", "versionStartIncluding": "7.0.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E69D5CC8-02A4-44DA-A9D9-12B8E0C6AF08", "versionEndExcluding": "7.1.4", "versionStartIncluding": "7.1.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "42591D75-4648-4AF0-B193-8AE633EFFACF"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "81DFF19E-9CF8-49C6-8C36-1E4038622933"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B0E8FC71-3952-444C-83E9-718DBBBEC615"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1039E95A-8CC3-4C88-8FF9-5C08EEB861C9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5E8B9085-7ADB-4A05-89EF-12949B6A0509"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.2:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1FC0D50D-9D58-4947-A197-A5A3FF07E7E3"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}