CVE-2021-36085

Description

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map).

Affected Platforms

Weakness Type

CWE-416

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124
• https://github.com/SELinuxProject/selinux/commit/2d35fcc7e9e976a2346b1de20e54f86…
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-421.ya…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124
• https://github.com/SELinuxProject/selinux/commit/2d35fcc7e9e976a2346b1de20e54f86…