Red Hat alert RHSA-2025:7043-01 (microcode_ctl)

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.

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attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_7043.json