QID 239790

Date Published: 2021-11-10

QID 239790: Red Hat Update for glib2 (RHSA-2021:4385)

glib provides the core application building blocks for libraries and applications written in c. it provides the core object system used in gnome, the main loop implementation, and a large set of utility functions for strings and common data structures.

Security Fix(es):
  • glib2: possible privilege escalation thourgh pkexec and aliases (cve-2021-3800)
  • glib: g_file_replace() with g_file_create_replace_destination creates empty target for dangling symlink (cve-2021-28153)

Affected Products:

  • Red Hat enterprise linux for x86_64 8 x86_64
  • Red Hat enterprise linux for ibm z systems 8 s390x
  • Red Hat enterprise linux for power, little endian 8 ppc64le
  • Red Hat enterprise linux for arm 64 8 aarch64
  • Red Hat codeready linux builder for x86_64 8 x86_64
  • Red Hat codeready linux builder for power, little endian 8 ppc64le
  • Red Hat codeready linux builder for arm 64 8 aarch64
  • Red Hat codeready linux builder for ibm z systems 8 s390x



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as Medium - 5.3 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4385 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239790

    CVE-2021-3800 | CVE-2021-28153 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4385 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4385
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