RHSA-2025:11861 — Security Advisory

An update for kernel 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.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

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: RDMA/mlx5: Fix page_size variable overflow (CVE-2025-22091)

• kernel: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() (CVE-2025-22121)

• kernel: ext4: avoid journaling sb update on error if journal is destroying (CVE-2025-22113)

• kernel: RDMA/core: Fix use-after-free when rename device name (CVE-2025-22085)

• kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)

• kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry (CVE-2025-37958)

• kernel: net: ch9200: fix uninitialised access during mii_nway_restart (CVE-2025-38086)

• kernel: net/mdiobus: Fix potential out-of-bounds clause 45 read/write access (CVE-2025-38110)

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.