RHSA-2022:6312 - Security Advisory

Topic

An update for pcs is now available for Red Hat Enterprise Linux 8.4 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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 pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

Security Fix(es):

• pcs: obtaining an authentication token for hacluster user could lead to privilege escalation (CVE-2022-2735)

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 High Availability for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat Enterprise Linux High Availability for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions 8.4 ppc64le
• Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions 8.4 x86_64
• Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support 8.4 s390x
• Red Hat Enterprise Linux High Availability (for ARM 64) - Extended Update Support 8.4 aarch64
• Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support 8.4 s390x
• Red Hat Enterprise Linux High Availability for x86_64 - Telecommunications Update Service 8.4 x86_64
• Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support Extension 8.4 x86_64

Fixes

• BZ - 2116815 - CVE-2022-2735 pcs: obtaining an authentication token for hacluster user could lead to privilege escalation

CVEs

• CVE-2022-2735

References

• https://access.redhat.com/security/updates/classification/#important
• https://bugzilla.redhat.com/show_bug.cgi?id=2116836