RHSA-2024:4575 - Security Advisory

Topic

An update for linux-firmware is now available for Red Hat Enterprise Linux 8.2 Advanced 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 linux-firmware packages contain all of the firmware files that are required by various devices to operate.

Security Fix(es):

• hw: intel: Improper access control for some Intel(R) PROSet/Wireless WiFi (CVE-2022-27635)
• hw: intel: Improper access control for some Intel(R) PROSet/Wireless WiFi (CVE-2022-40964)
• hw: intel: Protection mechanism failure for some Intel(R) PROSet/Wireless WiFi (CVE-2022-46329)
• hw: amd: INVD instruction may lead to a loss of SEV-ES guest machine memory integrity problem (CVE-2023-20592)

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 Server - AUS 8.2 x86_64

Fixes

• BZ - 2238960 - CVE-2022-27635 hw: intel: Improper access control for some Intel(R) PROSet/Wireless WiFi
• BZ - 2238961 - CVE-2022-46329 hw: intel: Protection mechanism failure for some Intel(R) PROSet/Wireless WiFi
• BZ - 2238962 - CVE-2022-40964 hw: intel: Improper access control for some Intel(R) PROSet/Wireless WiFi
• BZ - 2244590 - CVE-2023-20592 hw: amd: INVD instruction may lead to a loss of SEV-ES guest machine memory integrity problem

CVEs

• CVE-2022-27635
• CVE-2022-40964
• CVE-2022-46329
• CVE-2023-20592

References

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