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.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||3.3||Base Metrics:||AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L|
|Access Vector:||Local network||Attack Complexity:||Low|
|Privileges Required:||Low||User Interaction:||None|
|Integrity Impact:||None||Availability Impact:||Low|
|Oracle Linux version 8 (libsepol)||ELSA-2021-4513||2021-11-16|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team