RHSA-2025:12525 - Security Advisory

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

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 kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: media: uvcvideo: Fix double free in error path (CVE-2024-57980)
• kernel: wifi: iwlwifi: limit printed string from FW file (CVE-2025-21905)
• kernel: ext4: avoid journaling sb update on error if journal is destroying (CVE-2025-22113)
• kernel: ext4: fix off-by-one error in do_split (CVE-2025-23150)
• kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry (CVE-2025-37958)
• kernel: writeback: avoid use-after-free after removing device (CVE-2022-49995)

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 x86_64 - Update Services for SAP Solutions 9.0 x86_64

Fixes

• BZ - 2348599 - CVE-2024-57980 kernel: media: uvcvideo: Fix double free in error path
• BZ - 2356613 - CVE-2025-21905 kernel: wifi: iwlwifi: limit printed string from FW file
• BZ - 2360212 - CVE-2025-22113 kernel: ext4: avoid journaling sb update on error if journal is destroying
• BZ - 2363268 - CVE-2025-23150 kernel: ext4: fix off-by-one error in do_split
• BZ - 2367572 - CVE-2025-37958 kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry
• BZ - 2373560 - CVE-2022-49995 kernel: writeback: avoid use-after-free after removing device

CVEs

• CVE-2022-49995
• CVE-2024-57980
• CVE-2025-21905
• CVE-2025-22113
• CVE-2025-23150
• CVE-2025-37958

References

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