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).
Metrics
CVSS 3.1 3.3/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | RUGGEDCOM ROX MX5000 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX MX5000RE | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX1400 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX1500 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX1501 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX1510 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX1511 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX1512 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX1524 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX1536 | < V2.17.0 |
| Siemens | RUGGEDCOM ROX RX5000 | < V2.17.0 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31065Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/SELinuxProject/selinux/commit/f34d3d30c8325e4847a6b696fe7a3936a8a361f3Patch, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-417.yamlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31065Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/SELinuxProject/selinux/commit/f34d3d30c8325e4847a6b696fe7a3936a8a361f3Patch, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-417.yamlThird Party Advisory
- 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://security.netapp.com/advisory/ntap-20250207-0004/
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Timeline
- Published
- Jul 1, 2021
- Last modified
- Oct 14, 2026
- NVD status
- Modified