RHSA-2023:7376 - Security Advisory

Topic

An update for libqb is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.

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: Buffer overflow in log_blackbox.c (CVE-2023-39976)

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.

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 - Extended Update Support 9.2 x86_64
• Red Hat Enterprise Linux Server - AUS 9.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support 9.2 x86_64
• Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support 9.2 x86_64
• Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat Enterprise Linux High Availability for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
• Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions 9.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
• Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions 9.2 x86_64
• Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support 9.2 s390x
• Red Hat Enterprise Linux High Availability (for ARM 64) - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x
• Red Hat Enterprise Linux High Availability for ARM 64 - 4 years of updates 9.2 aarch64
• Red Hat Enterprise Linux High Availability for IBM z Systems - 4 years of updates 9.2 s390x
• Red Hat Enterprise Linux Resilient Storage for x86_64 - 4 years of updates 9.2 x86_64
• Red Hat Enterprise Linux Resilient Storage for Power, little endian - 4 years of updates 9.2 ppc64le
• Red Hat Enterprise Linux Resilient Storage for IBM z Systems - 4 years of updates 9.2 s390x

Fixes

• BZ - 2230708 - CVE-2023-39976 libqb: Buffer overflow in log_blackbox.c

CVEs

• CVE-2023-39976

References

• https://access.redhat.com/security/updates/classification/#moderate