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).
References (6)
Core 6
Core References
Third Party Advisory x_refsource_misc
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-421.yaml
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31124
Patch, Third Party Advisory x_refsource_misc
https://github.com/SELinuxProject/selinux/commit/2d35fcc7e9e976a2346b1de20e54f8663e8a6cba
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/
Vendor Advisory
https://security.netapp.com/advisory/ntap-20250207-0004/
Scores
CVSS v3
3.3
EPSS
0.0002
EPSS Percentile
6.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Details
CWE
CWE-416
Status
published
Products (2)
fedoraproject/fedora
35
selinux_project/selinux
3.2
Published
Jul 01, 2021
Tracked Since
Feb 18, 2026