{"id":"CVE-2026-98413","title":"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 …","summary":"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 …","severity":"medium","published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T14:17:52.547","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98413","references":[{"url":"https://git.kernel.org/stable/c/24e00850bcff46b984f4c44b92e5499450fcfb5a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5a6f9a872b4ff68877caf998bee352153b7154bc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/835133337c2ce200db56f62d018c79087dee2603","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8861db305103107199b1426f25fde1fb6d465583","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c781e737aa0de95289b1774d5fd29388895737a9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e308c5acfe283a66627fc407065626df4ab753ec","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e77461af13eab5c9a953cc52ec8432cc941d61e2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f9da796fa238f8e4414ee8481e6c979759a3d563","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98413.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98413"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2552206"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98413"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98413"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98413.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-14T15:36:13.985Z","vendor":"Linux","product":"Linux","affected":["Linux >= e6f2f381e4015386a656a369835f949c26000e6b < c781e737aa0de95289b1774d5fd29388895737a9","Linux >= e6f2f381e4015386a656a369835f949c26000e6b < e308c5acfe283a66627fc407065626df4ab753ec","Linux >= e6f2f381e4015386a656a369835f949c26000e6b < f9da796fa238f8e4414ee8481e6c979759a3d563","Linux >= e6f2f381e4015386a656a369835f949c26000e6b < e77461af13eab5c9a953cc52ec8432cc941d61e2","Linux >= e6f2f381e4015386a656a369835f949c26000e6b < 5a6f9a872b4ff68877caf998bee352153b7154bc","Linux >= e6f2f381e4015386a656a369835f949c26000e6b < 24e00850bcff46b984f4c44b92e5499450fcfb5a","Linux >= e6f2f381e4015386a656a369835f949c26000e6b < 835133337c2ce200db56f62d018c79087dee2603","Linux >= e6f2f381e4015386a656a369835f949c26000e6b < 8861db305103107199b1426f25fde1fb6d465583","Linux 5.1"],"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-908"],"epss":0.0022,"epssPercentile":0.12451,"slug":"CVE-2026-98413","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98413.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":222906,"id":"CVE-2026-98413","ts":1792151661036,"field":"cvss","old":null,"new":"5.5"},{"seq":222905,"id":"CVE-2026-98413","ts":1792151661036,"field":"severity","old":"none","new":"medium"}]}