RHSA-2025:11299 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

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

Security Fix(es):

• kernel: cifs: potential buffer overflow in handling symlinks (CVE-2022-49058)

• kernel: media: uvcvideo: Remove dangling pointers (CVE-2024-58002)

• kernel: media: uvcvideo: Fix double free in error path (CVE-2024-57980)

• kernel: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes (CVE-2025-21991)

• kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004)

• kernel: ext4: fix off-by-one error in do_split (CVE-2025-23150)

• kernel: ext4: ignore xattrs past end (CVE-2025-37738)

• kernel: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram() (CVE-2022-49788)

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.