{"api_version":"1","generated_at":"2026-10-21T16:51:50+00:00","cve":"CVE-2026-98413","urls":{"html":"https://cve.report/CVE-2026-98413","api":"https://cve.report/api/cve/CVE-2026-98413.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98413","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98413"},"summary":{"title":"selinux: always fill AVC decision in avc_has_perm_noaudit()","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-14 14:17:52","updated_at":"2026-10-19 10:18:46"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f9da796fa238f8e4414ee8481e6c979759a3d563","name":"https://git.kernel.org/stable/c/f9da796fa238f8e4414ee8481e6c979759a3d563","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/835133337c2ce200db56f62d018c79087dee2603","name":"https://git.kernel.org/stable/c/835133337c2ce200db56f62d018c79087dee2603","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5a6f9a872b4ff68877caf998bee352153b7154bc","name":"https://git.kernel.org/stable/c/5a6f9a872b4ff68877caf998bee352153b7154bc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c781e737aa0de95289b1774d5fd29388895737a9","name":"https://git.kernel.org/stable/c/c781e737aa0de95289b1774d5fd29388895737a9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8861db305103107199b1426f25fde1fb6d465583","name":"https://git.kernel.org/stable/c/8861db305103107199b1426f25fde1fb6d465583","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e77461af13eab5c9a953cc52ec8432cc941d61e2","name":"https://git.kernel.org/stable/c/e77461af13eab5c9a953cc52ec8432cc941d61e2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/24e00850bcff46b984f4c44b92e5499450fcfb5a","name":"https://git.kernel.org/stable/c/24e00850bcff46b984f4c44b92e5499450fcfb5a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e308c5acfe283a66627fc407065626df4ab753ec","name":"https://git.kernel.org/stable/c/e308c5acfe283a66627fc407065626df4ab753ec","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98413","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98413","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e6f2f381e4015386a656a369835f949c26000e6b c781e737aa0de95289b1774d5fd29388895737a9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e6f2f381e4015386a656a369835f949c26000e6b e308c5acfe283a66627fc407065626df4ab753ec git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e6f2f381e4015386a656a369835f949c26000e6b f9da796fa238f8e4414ee8481e6c979759a3d563 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e6f2f381e4015386a656a369835f949c26000e6b e77461af13eab5c9a953cc52ec8432cc941d61e2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e6f2f381e4015386a656a369835f949c26000e6b 5a6f9a872b4ff68877caf998bee352153b7154bc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e6f2f381e4015386a656a369835f949c26000e6b 24e00850bcff46b984f4c44b92e5499450fcfb5a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e6f2f381e4015386a656a369835f949c26000e6b 835133337c2ce200db56f62d018c79087dee2603 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e6f2f381e4015386a656a369835f949c26000e6b 8861db305103107199b1426f25fde1fb6d465583 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.271 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.222 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.54 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.8 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/selinux/avc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c781e737aa0de95289b1774d5fd29388895737a9","status":"affected","version":"e6f2f381e4015386a656a369835f949c26000e6b","versionType":"git"},{"lessThan":"e308c5acfe283a66627fc407065626df4ab753ec","status":"affected","version":"e6f2f381e4015386a656a369835f949c26000e6b","versionType":"git"},{"lessThan":"f9da796fa238f8e4414ee8481e6c979759a3d563","status":"affected","version":"e6f2f381e4015386a656a369835f949c26000e6b","versionType":"git"},{"lessThan":"e77461af13eab5c9a953cc52ec8432cc941d61e2","status":"affected","version":"e6f2f381e4015386a656a369835f949c26000e6b","versionType":"git"},{"lessThan":"5a6f9a872b4ff68877caf998bee352153b7154bc","status":"affected","version":"e6f2f381e4015386a656a369835f949c26000e6b","versionType":"git"},{"lessThan":"24e00850bcff46b984f4c44b92e5499450fcfb5a","status":"affected","version":"e6f2f381e4015386a656a369835f949c26000e6b","versionType":"git"},{"lessThan":"835133337c2ce200db56f62d018c79087dee2603","status":"affected","version":"e6f2f381e4015386a656a369835f949c26000e6b","versionType":"git"},{"lessThan":"8861db305103107199b1426f25fde1fb6d465583","status":"affected","version":"e6f2f381e4015386a656a369835f949c26000e6b","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["security/selinux/avc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.1"},{"lessThan":"5.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.271","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.54","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.271","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.54","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.8","versionStartIncluding":"5.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"5.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:19:07.242Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98413","datePublished":"2026-10-14T13:27:45.404Z","dateReserved":"2026-09-25T10:25:14.347Z","dateUpdated":"2026-10-19T09:19:07.242Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-14 14:17:52","lastModifiedDate":"2026-10-19 10:18:46","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98413","Ordinal":"1","Title":"selinux: always fill AVC decision in avc_has_perm_noaudit()","CVE":"CVE-2026-98413","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98413","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"selinux: always fill AVC decision in avc_has_perm_noaudit()"}]}}}