{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-98413", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.347Z", "datePublished": "2026-10-14T13:27:45.404Z", "dateUpdated": "2026-10-14T13:27:45.404Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-14T13:27:45.404Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: always fill AVC decision in avc_has_perm_noaudit()\n\navc_has_perm_noaudit() is documented to return a copy of the access\ndecision in @avd, but its early return for an empty requested permission\nset leaves the buffer untouched. All callers pass an uninitialized\nstack variable and afterwards feed it to avc_audit(), and the inode hook\neven stores it in the per-task decision cache.\n\nFill in a deny-all, audit-all decision, similar to avd_init(), so every\ncaller receives a defined value at no cost on the hot path." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "security/selinux/avc.c" ], "versions": [ { "version": "e6f2f381e4015386a656a369835f949c26000e6b", "lessThan": "c781e737aa0de95289b1774d5fd29388895737a9", "status": "affected", "versionType": "git" }, { "version": "e6f2f381e4015386a656a369835f949c26000e6b", "lessThan": "e308c5acfe283a66627fc407065626df4ab753ec", "status": "affected", "versionType": "git" }, { "version": "e6f2f381e4015386a656a369835f949c26000e6b", "lessThan": "f9da796fa238f8e4414ee8481e6c979759a3d563", "status": "affected", "versionType": "git" }, { "version": "e6f2f381e4015386a656a369835f949c26000e6b", "lessThan": "e77461af13eab5c9a953cc52ec8432cc941d61e2", "status": "affected", "versionType": "git" }, { "version": "e6f2f381e4015386a656a369835f949c26000e6b", "lessThan": "5a6f9a872b4ff68877caf998bee352153b7154bc", "status": "affected", "versionType": "git" }, { "version": "e6f2f381e4015386a656a369835f949c26000e6b", "lessThan": "24e00850bcff46b984f4c44b92e5499450fcfb5a", "status": "affected", "versionType": "git" }, { "version": "e6f2f381e4015386a656a369835f949c26000e6b", "lessThan": "835133337c2ce200db56f62d018c79087dee2603", "status": "affected", "versionType": "git" }, { "version": "e6f2f381e4015386a656a369835f949c26000e6b", "lessThan": "8861db305103107199b1426f25fde1fb6d465583", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "security/selinux/avc.c" ], "versions": [ { "version": "5.1", "status": "affected" }, { "version": "0", "lessThan": "5.1", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.271", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2.8", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.3-rc4", "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": "5.1", "versionEndExcluding": "5.10.271" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "5.15.222" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.1.189" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.6.158" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.12.112" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.18.54" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "7.2.8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "7.3-rc4" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/c781e737aa0de95289b1774d5fd29388895737a9" }, { "url": "https://git.kernel.org/stable/c/e308c5acfe283a66627fc407065626df4ab753ec" }, { "url": "https://git.kernel.org/stable/c/f9da796fa238f8e4414ee8481e6c979759a3d563" }, { "url": "https://git.kernel.org/stable/c/e77461af13eab5c9a953cc52ec8432cc941d61e2" }, { "url": "https://git.kernel.org/stable/c/5a6f9a872b4ff68877caf998bee352153b7154bc" }, { "url": "https://git.kernel.org/stable/c/24e00850bcff46b984f4c44b92e5499450fcfb5a" }, { "url": "https://git.kernel.org/stable/c/835133337c2ce200db56f62d018c79087dee2603" }, { "url": "https://git.kernel.org/stable/c/8861db305103107199b1426f25fde1fb6d465583" } ], "title": "selinux: always fill AVC decision in avc_has_perm_noaudit()", "x_generator": { "engine": "bippy-1.2.0" } } } }