{"id":"CVE-2021-36086","title":"The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list).","summary":"The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list).","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-416"],"vendor":"netapp","product":"active_iq_unified_manager","affected":["debian_linux = 11.0","active_iq_unified_manager","bootstrap_os","h610c_firmware","h610s_firmware","h615c_firmware","selinux < 3.3","fedora = 35"],"patched":["selinux 3.3"],"published":"2021-07-01","updated":"2026-10-14","sourceUpdated":"2026-10-14T12:17:14.290","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-36086","references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32177","label":"cve@mitre.org"},{"url":"https://github.com/SELinuxProject/selinux/commit/c49a8ea09501ad66e799ea41b8154b6770fec2c8","label":"cve@mitre.org"},{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-536.yaml","label":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/","label":"cve@mitre.org"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32177","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/SELinuxProject/selinux/commit/c49a8ea09501ad66e799ea41b8154b6770fec2c8","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-536.yaml","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00021.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20250207-0004/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-202008.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00597,"epssPercentile":0.47145,"ingestedAt":"2026-10-14T12:29:10.821Z","slug":"CVE-2021-36086","body":"## Overview\n\nThe CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list).\n\n## Affected\n\n- `debian_linux = 11.0`\n- `active_iq_unified_manager`\n- `bootstrap_os`\n- `h610c_firmware`\n- `h610s_firmware`\n- `h615c_firmware`\n- `selinux < 3.3`\n- `fedora = 35`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `selinux 3.3`","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}