RLSA-2026:55764
RLSA-2026:55764 · Important: kernel security, bug fix, and enhancement update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The kernel packages contain the Linux kernel, the core of any Linux operating system. 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 kfd_event_page_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 krealloc_array() in dal_vector_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 amdgpu_hmm_range_get_pages (CVE-2026-63879) * kernel: drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async (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 Rocky Linux 8.10 (JIRA:Rocky Linux-189997) * vhost: reset the vring metadata cache on vring reconfiguration [rhel-8.10.z] (JIRA:Rocky Linux-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.
CVSS 7.8 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel Rocky Linux:8
- Affected ranges
- ECOSYSTEM: < 0:4.18.0-553.156.1.el8_10
Update to 0:4.18.0-553.156.1.el8_10
Original sources
- https://errata.rockylinux.org/RLSA-2026:55764
- https://bugzilla.redhat.com/show_bug.cgi?id=2400594
- https://bugzilla.redhat.com/show_bug.cgi?id=2467156
- https://bugzilla.redhat.com/show_bug.cgi?id=2492269
- https://bugzilla.redhat.com/show_bug.cgi?id=2492768
- https://bugzilla.redhat.com/show_bug.cgi?id=2495941
- https://bugzilla.redhat.com/show_bug.cgi?id=2502188
- https://bugzilla.redhat.com/show_bug.cgi?id=2502321
- https://bugzilla.redhat.com/show_bug.cgi?id=2502463
- https://bugzilla.redhat.com/show_bug.cgi?id=2506790
- https://bugzilla.redhat.com/show_bug.cgi?id=2507407
- https://access.redhat.com/errata/RHSA-2026:55764
- https://osv.dev/vulnerability/RLSA-2026:55764