ALSA-2026:55765

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: mm/slub: avoid accessing metadata when pointer is invalid in object_err() (CVE-2025-39902)
• kernel: drm/amdkfd: Fix out-of-bounds write in kfdeventpage_set() (CVE-2026-43206)
• kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016)
• kernel: drm/amd/display: Clamp VBIOS HDMI retimer register count to array size (CVE-2026-53136)
• kernel: drm/amd/display: Use kreallocarray() in dalvector_reserve() (CVE-2026-53329)
• kernel: drm/amdgpu: zero-initialize GART table on allocation (CVE-2026-53374)
• kernel: drm/i915: Fix potential UAF in TTM object purge (CVE-2026-63884)
• kernel: drm/amdgpu: fix amdgpuhmmrangegetpages (CVE-2026-63879)
• kernel: drm/amd/display: Validate payload length and linkindex in dcprocessdmubauxtransferasync (CVE-2026-64219)
• kernel: can:bcm: arbitrary kernel code execution leading to escalate privileges (CVE-2026-17523)

Bug Fix(es) and Enhancement(s):

• Backport "sched/deadline: Fix bandwidth reclaim equation in GRUB" to AlmaLinux 8.10 (JIRA:AlmaLinux-189997)
• vhost: reset the vring metadata cache on vring reconfiguration [almalinux-8.10.z] (JIRA:AlmaLinux-224556)

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.