CVE-2021-36087
- State
- Published
- Severity
- Not scored
- Published
- Jul 1, 2021
- Updated
- Oct 14, 2026
- Reserved
- Jul 1, 2021
Description
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-585.yaml
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32675
- https://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_Vm+yaQ%40mail.gmail.com/T/
- https://github.com/SELinuxProject/selinux/commit/340f0eb7f3673e8aacaf0a96cbfcd4d12a405521
- FEDORA-2021-67efe88c29vendor-advisory
- https://security.netapp.com/advisory/ntap-20250207-0004/
- https://lists.debian.org/debian-lts-announce/2024/10/msg00021.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html
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