CVE-2026-98413

{"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": "2026-10-19T09:19:07.242Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:19:07.242Z"}, "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", "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"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-98413", "lastModified": "2026-10-19T10:18:46.557", "metrics": {}, "published": "2026-10-14T14:17:52.547", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/24e00850bcff46b984f4c44b92e5499450fcfb5a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5a6f9a872b4ff68877caf998bee352153b7154bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/835133337c2ce200db56f62d018c79087dee2603"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8861db305103107199b1426f25fde1fb6d465583"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c781e737aa0de95289b1774d5fd29388895737a9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e308c5acfe283a66627fc407065626df4ab753ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e77461af13eab5c9a953cc52ec8432cc941d61e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f9da796fa238f8e4414ee8481e6c979759a3d563"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: selinux: always fill AVC decision in avc_has_perm_noaudit()", "id": "2552206", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552206"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-908", "details": ["A flaw was found in the Linux kernel's SELinux (Security-Enhanced Linux) subsystem. When an access check is performed with an empty permission set, the Access Vector Cache (AVC) fails to initialize the access decision structure before returning. A local attacker can exploit this flaw by triggering operations that cause the kernel to read uninitialized stack memory during audit logging and decision caching, potentially leading to a denial of service or unpredictable security enforcement."], "name": "CVE-2026-98413", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98413\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98413\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98413.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6f2f381e4015386a656a369835f949c26000e6b,c781e737aa0de95289b1774d5fd29388895737a9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6f2f381e4015386a656a369835f949c26000e6b,e308c5acfe283a66627fc407065626df4ab753ec)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6f2f381e4015386a656a369835f949c26000e6b,f9da796fa238f8e4414ee8481e6c979759a3d563)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6f2f381e4015386a656a369835f949c26000e6b,e77461af13eab5c9a953cc52ec8432cc941d61e2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6f2f381e4015386a656a369835f949c26000e6b,5a6f9a872b4ff68877caf998bee352153b7154bc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6f2f381e4015386a656a369835f949c26000e6b,24e00850bcff46b984f4c44b92e5499450fcfb5a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6f2f381e4015386a656a369835f949c26000e6b,835133337c2ce200db56f62d018c79087dee2603)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e6f2f381e4015386a656a369835f949c26000e6b,8861db305103107199b1426f25fde1fb6d465583)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.271,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.222,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.189,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.158,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.54,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-15T05:15:14.984148+00:00", "updated": "2026-10-19T18:30:02.145067+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}