Use After Free The advisory has been revoked - it doesn't affect any version of package libsepol-static (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL6-LIBSEPOLSTATIC-1416216
- published26 Jul 2021
- disclosed19 Apr 2021
Introduced: 19 Apr 2021
CVE-2021-36084 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:6.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libsepol-static package and not the libsepol-static package as distributed by RHEL.
The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).
References
- https://access.redhat.com/security/cve/CVE-2021-36084
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31065
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-417.yaml
- https://github.com/SELinuxProject/selinux/commit/f34d3d30c8325e4847a6b696fe7a3936a8a361f3
- https://access.redhat.com/errata/RHSA-2021:4513
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/
- https://security.netapp.com/advisory/ntap-20250207-0004/
- https://lists.debian.org/debian-lts-announce/2024/10/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html