Red Hat alert RHSA-2025:12311-01 (kernel-rt)

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.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_12311.json