Oval Definition:oval:com.redhat.rhsa:def:20214513
Revision Date:2021-11-09Version:636
Title:RHSA-2021:4513: libsepol security update (Moderate)
Description: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 __cil_verify_classperms() (CVE-2021-36084)

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

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

  • libsepol: heap-based buffer overflow in ebitmap_match_any() (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 Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.
  • Family:unixClass:patch
    Status:Reference(s):CVE-2021-36084
    CVE-2021-36085
    CVE-2021-36086
    CVE-2021-36087
    RHSA-2021:4513
    Platform(s):Red Hat Enterprise Linux 8
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • Red Hat Enterprise Linux 8 is installed
  • OR Red Hat CoreOS 4 is installed
  • AND
  • libsepol is earlier than 0:2.9-3.el8
  • AND libsepol is signed with Red Hat redhatrelease2 key
  • libsepol-devel is earlier than 0:2.9-3.el8
  • AND libsepol-devel is signed with Red Hat redhatrelease2 key
  • libsepol-static is earlier than 0:2.9-3.el8
  • AND libsepol-static is signed with Red Hat redhatrelease2 key
  • BACK