vulnerability

Alma Linux: CVE-2021-36084: Moderate: libsepol security update (ALSA-2021-4513)

Try Surface Command

Back to search

Severity

CVSS

(AV:L/AC:L/Au:N/C:N/I:N/A:P)

Published

Jul 1, 2021

Added

May 4, 2022

Modified

Mar 31, 2026

Description

The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).

Solutions

alma-upgrade-libsepolalma-upgrade-libsepol-develalma-upgrade-libsepol-static

References

CVE-2021-36084
https://attackerkb.com/topics/CVE-2021-36084
CWE-416
EUVD-EUVD-2021-22717
https://errata.almalinux.org/8/ALSA-2021-4513.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-22717

Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.

Get report