RHSA-2024:7005 - Security Advisory

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended 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 kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: gpiolib: cdev: Fix use after free in lineinfo_changed_notify (CVE-2024-36899)
• kernel: wifi: mac80211: Avoid address calculations via out of bounds array indexing (CVE-2024-41071)
• kernel: ice: Fix improper extts handling (CVE-2024-42139)

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

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for Real Time for x86_64 - 4 years of updates 9.2 x86_64
• Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.2 x86_64

Fixes

• BZ - 2284549 - CVE-2024-36899 kernel: gpiolib: cdev: Fix use after free in lineinfo_changed_notify
• BZ - 2300448 - CVE-2024-41071 kernel: wifi: mac80211: Avoid address calculations via out of bounds array indexing
• BZ - 2301504 - CVE-2024-42139 kernel: ice: Fix improper extts handling

CVEs

• CVE-2024-36899
• CVE-2024-41071
• CVE-2024-42139

References

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