RHSA-2026:48865 - Security Advisory

Topic

An update for abrt is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

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 Automatic Bug Reporting Tool (ABRT) recognizes defects in applications and creates bug reports that help maintainers fix the defects. ABRT uses a plug-in system to extend its functionality.

Security Fix(es):

• abrt: TOCTOU race condition in abrt-dbus SetElement allows arbitrary file writes to dump directories (CVE-2026-54228)
• abrt: ChownProblemDir succeeds during active post-create event processing due to inadequate locking (CVE-2026-54229)

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 Life Cycle Long Life 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64

Fixes

• BZ - 2488531 - CVE-2026-54228 abrt: TOCTOU race condition in abrt-dbus SetElement allows arbitrary file writes to dump directories
• BZ - 2488532 - CVE-2026-54229 abrt: ChownProblemDir succeeds during active post-create event processing due to inadequate locking

CVEs

• CVE-2026-54228
• CVE-2026-54229

References

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