CVE-2021-36086

libsepol: use-after-free in cil_reset_classpermission()

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Severity

Moderate

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · April 19, 2021

Updated · November 21, 2025

Description

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 score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-416 · Use After Free