Use After Free Affecting libsepol-debuginfo package, versions <0:2.9-3.el8


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.6% (46th percentile)

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  • Snyk IDSNYK-ROCKY8-LIBSEPOLDEBUGINFO-3223517
  • published5 Jan 2023
  • disclosed1 Jul 2021

Introduced: 1 Jul 2021

CVE-2021-36086  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 libsepol-debuginfo to version 0:2.9-3.el8 or higher.
This issue was patched in RLSA-2021:4513.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsepol-debuginfo package and not the libsepol-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list).

CVSS Base Scores

version 3.1