RHSA-2026:47632

Details:

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: drm/amd/display: Do not skip unrelated mode changes in DSC validation (CVE-2026-31488)

• kernel: net: sched: act_csum: validate nested VLAN headers (CVE-2026-31684)

• kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)

• kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CVE-2026-46209)

Bug Fix(es) and Enhancement(s):

• [RHEL-9] Performance impact of CVE-2025-38085 (JIRA:RHEL-161143)

• NVMe-FC: Panic during NVMe Controller Reset tests (JIRA:RHEL-178451)

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.