The CIL compiler in SELinux 3.2 has a heap-based buffer over-read in ebitmap_match_any (called indirectly from cil_check_neverallow). This occurs because there is sometimes a lack of checks for invalid statements in an optional block.
References
Configurations
History
21 Nov 2024, 06:13
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32675 - Exploit, Issue Tracking, Patch, Third Party Advisory | |
| References | () https://github.com/SELinuxProject/selinux/commit/340f0eb7f3673e8aacaf0a96cbfcd4d12a405521 - Patch, Third Party Advisory | |
| References | () https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-585.yaml - Third Party Advisory | |
| References | () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/ - | |
| References | () https://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_Vm+yaQ%40mail.gmail.com/T/ - |
07 Nov 2023, 03:36
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Information
Published : 2021-07-01 03:15
Updated : 2024-11-21 06:13
NVD link : CVE-2021-36087
Mitre link : CVE-2021-36087
CVE.ORG link : CVE-2021-36087
JSON object : View
Products Affected
selinux_project
- selinux
fedoraproject
- fedora
CWE
CWE-125
Out-of-bounds Read