Moderate: libqb security and bug fix update

Related Vulnerabilities: CVE-2019-12779   CVE-2019-12779   CVE-2019-12779  

Synopsis

Moderate: libqb security and bug fix update

Type/Severity

Security Advisory: Moderate

Topic

An update for libqb is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The libqb packages provide a library with the primary purpose of providing high performance client/server reusable features, such as high performance logging, tracing, inter-process communication, and polling.

Security Fix(es):

  • libqb: Insecure treatment of IPC (temporary) files (CVE-2019-12779)

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 8.1 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

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

Fixes

  • BZ - 1695948 - CVE-2019-12779 libqb: Insecure treatment of IPC (temporary) files
  • BZ - 1718773 - Avoid libqb deadlock due to not using selected socket poll priority

CVEs

References