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Red Hat Product Errata RHSA-2024:9401 - Security Advisory
Issued: 2024-11-12 Updated: 2024-11-12


RHSA-2024:9401 - SECURITY ADVISORY

 * Overview
 * Updated Packages


SYNOPSIS

Moderate: microcode_ctl security update


TYPE/SEVERITY

Security Advisory: Moderate


RED HAT INSIGHTS PATCH ANALYSIS

Identify and remediate systems affected by this advisory.

View affected systems


TOPIC

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.


DESCRIPTION

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


Security Fix(es):


 * kernel: local privilege escalation on Intel microcode on Intel(R) Xeon(R)
   (CVE-2023-22655)
 * kernel: Local information disclosure on Intel(R) Atom(R) processors
   (CVE-2023-28746)
 * kernel: Local information disclosure in some Intel(R) processors
   (CVE-2023-38575)
 * kernel: Possible Denial of Service on Intel(R) Processors (CVE-2023-39368)
 * kernel: Local information disclosure on Intel(R) Xeon(R) D processors with
   Intel(R) SGX due to incorrect calculation in microcode (CVE-2023-43490)
 * intel-microcode: Race conditions in some Intel(R) Processors (CVE-2023-45733)
 * intel-microcode: Unexpected behavior in Intel(R) Core(TM) Ultra Processors
   (CVE-2023-46103)

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 9.5 Release Notes linked from 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 9 x86_64


FIXES

 * BZ - 2270698 - CVE-2023-22655 kernel: local privilege escalation on Intel
   microcode on Intel(R) Xeon(R)
 * BZ - 2270700 - CVE-2023-28746 kernel: Local information disclosure on
   Intel(R) Atom(R) processors
 * BZ - 2270701 - CVE-2023-38575 kernel: Local information disclosure in some
   Intel(R) processors
 * BZ - 2270703 - CVE-2023-39368 kernel: Possible Denial of Service on Intel(R)
   Processors
 * BZ - 2270704 - CVE-2023-43490 kernel: Local information disclosure on
   Intel(R) Xeon(R) D processors with Intel(R) SGX due to incorrect calculation
   in microcode
 * BZ - 2292296 - CVE-2023-45733 intel-microcode: Race conditions in some
   Intel(R) Processors
 * BZ - 2292300 - CVE-2023-46103 intel-microcode: Unexpected behavior in
   Intel(R) Core(TM) Ultra Processors


CVES

 * CVE-2023-22655
 * CVE-2023-28746
 * CVE-2023-38575
 * CVE-2023-39368
 * CVE-2023-43490
 * CVE-2023-45733
 * CVE-2023-46103


REFERENCES

 * https://access.redhat.com/security/updates/classification/#moderate
 * https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.5_release_notes/index

Note: More recent versions of these packages may be available. Click a package
name for more details.


RED HAT ENTERPRISE LINUX FOR X86_64 9

SRPM microcode_ctl-20240910-1.el9_5.src.rpm SHA-256:
6c9d99ec6139e7220e5fa48f26dd1718325adb7fe33b2bcdddb998c0278cffd4 x86_64
microcode_ctl-20240910-1.el9_5.noarch.rpm SHA-256:
fb5572a3ac35faa3c7a5f029ac8010186a4e1c3e802b5ce0519069426d98522e

The Red Hat security contact is secalert@redhat.com. More contact details at
https://access.redhat.com/security/team/contact/.

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