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Use After Free Affecting libsepol package, versions <3.1-1ubuntu2.1

0.0
low

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.07% (29th percentile)
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NVD
3.3 low
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Red Hat
3.3 low

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  • Snyk ID SNYK-UBUNTU2110-LIBSEPOL-1735898
  • published 3 Jul 2021
  • disclosed 1 Jul 2021
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Introduced: 1 Jul 2021

CVE-2021-36085 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Ubuntu:21.10 libsepol to version 3.1-1ubuntu2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsepol package and not the libsepol package as distributed by Ubuntu. See How to fix? for Ubuntu:21.10 relevant fixed versions and status.

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