CVE-2021-36087

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

3.3 (LOW) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-19/10/2026

CWE

CWE-125

מוצרים מושפעים

selinux_project: selinux; fedoraproject: fedora

קישורים

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32675 ExploitIssue TrackingPatchThird Party Advisory
• https://github.com/SELinuxProject/selinux/commit/340f0eb7f3673e8aacaf0a96cbfcd‮… PatchThird Party Advisory
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32675 ExploitIssue TrackingPatchThird Party Advisory
• https://github.com/SELinuxProject/selinux/commit/340f0eb7f3673e8aacaf0a96cbfcd‮… PatchThird Party Advisory
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-585.‮… Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorap‮…
• https://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_V‮…
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-585.‮… Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2024/10/msg00021.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorap‮…