CVE-2021-36087
Vulnerability from cvelistv5
Published
2021-07-01 02:49
Modified
2024-08-04 00:47
Severity ?
Summary
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
cve@mitre.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32675Exploit, Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/SELinuxProject/selinux/commit/340f0eb7f3673e8aacaf0a96cbfcd4d12a405521Patch, Third Party Advisory
cve@mitre.orghttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-585.yamlThird Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/
cve@mitre.orghttps://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_Vm+yaQ%40mail.gmail.com/T/
af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32675Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/SELinuxProject/selinux/commit/340f0eb7f3673e8aacaf0a96cbfcd4d12a405521Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-585.yamlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U7ZYR3PIJ75N6U2IONJWCKZ5L2NKJTGR/
af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/selinux/CAEN2sdqJKHvDzPnxS-J8grU8fSf32DDtx=kyh84OsCq_Vm+yaQ%40mail.gmail.com/T/
Impacted products
Vendor Product Version
Show details on NVD website

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