RLSA-2021:4513

Source
https://errata.rockylinux.org/RLSA-2021:4513
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2021:4513.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2021:4513
Related
Published
2021-11-09T09:39:50Z
Modified
2023-02-02T12:52:10.544327Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
Moderate: libsepol security update
Details

The libsepol library provides an API for the manipulation of SELinux binary policies. It is used by checkpolicy (the policy compiler) and similar tools, as well as by programs like load_policy that need to perform specific transformations on binary policies (for example, customizing policy boolean settings).

Security Fix(es):

  • libsepol: use-after-free in _cilverify_classperms() (CVE-2021-36084)

  • libsepol: use-after-free in _cilverify_classperms() (CVE-2021-36085)

  • libsepol: use-after-free in cilresetclasspermission() (CVE-2021-36086)

  • libsepol: heap-based buffer overflow in ebitmapmatchany() (CVE-2021-36087)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / libsepol

Package

Name
libsepol
Purl
pkg:rpm/rocky-linux/libsepol?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:2.9-3.el8