RHSA-2025:12311 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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.

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: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

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

• kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (CVE-2025-38001)

• kernel: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done (CVE-2025-38052)

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.