CVE-2021-36084

Description

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).

Affected Platforms

Weakness Type

CWE-416

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31065
• https://github.com/SELinuxProject/selinux/commit/f34d3d30c8325e4847a6b696fe7a393…
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-417.ya…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31065
• https://github.com/SELinuxProject/selinux/commit/f34d3d30c8325e4847a6b696fe7a393…