Log in Start free

Vulnerability · Published Jul 1, 2021 · Assigned by mitre

CVE-2021-36086

Low 3.3

In plain English

A low-severity security flaw in the libsepol package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)3.3Low
Exploit odds (30 days)0.6%top 51.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8libsepol2.9-3.el8ALSA-2021:4513
AlmaLinux:8libsepol-devel2.9-3.el8ALSA-2021:4513
AlmaLinux:8libsepol-static2.9-3.el8ALSA-2021:4513
Debian:12libsepol3.3-1DEBIAN-CVE-2021-36086
Debian:13libsepol3.3-1DEBIAN-CVE-2021-36086
Debian:14libsepol3.3-1DEBIAN-CVE-2021-36086
Rocky Linux:8libsepol0:2.9-3.el8RLSA-2021:4513

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References