RHSA-2025:7043 — Security Advisory

An update for microcode_ctl is now available for Red Hat Enterprise Linux 9.

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.

The microcode_ctl packages provide microcode updates for Intel and AMD processors.

Security Fix(es):

• microcode_ctl: Improper input validation in UEFI firmware (CVE-2024-28047)

• microcode_ctl: Insufficient granularity of access control in UEFI firmware (CVE-2024-39279)

• microcode_ctl: mproper initialization in UEFI firmware OutOfBandXML module (CVE-2024-31157)

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 9 Release Notes linked from the References section.