RHSA-2023:6595 - Security Advisory

Topic

An update for linux-firmware is now available for Red Hat Enterprise Linux 9.

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: intel: Improper input validation in some Intel(R) PROSet/Wireless WiFi (CVE-2022-36351)
• hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)
• hw: intel: Improper input validation in some Intel(R) PROSet/Wireless WiFi (CVE-2022-38076)

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 9.3 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
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64
• Red Hat Enterprise Linux Server - AUS 9.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x

Fixes

• BZ - 2178579 - update linux-firmware for devel phase
• BZ - 2207625 - CVE-2023-20569 hw amd: Return Address Predictor vulnerability leading to information disclosure
• BZ - 2214391 - broken symlink /usr/lib/firmware/qcom/LENOVO/21BX.xz
• BZ - 2235321 - NAVI 31 failing to boot
• 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 - 2238963 - CVE-2022-36351 hw: intel: Improper input validation in some Intel(R) PROSet/Wireless WiFi
• BZ - 2238964 - CVE-2022-38076 hw: intel: Improper input validation in some Intel(R) PROSet/Wireless WiFi

CVEs

• CVE-2022-27635
• CVE-2022-36351
• CVE-2022-38076
• CVE-2022-40964
• CVE-2022-46329
• CVE-2023-20569

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.3_release_notes/index