RLSA-2026:55764

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 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.

Database specific

{
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:55764",
    "license": "CC-BY-4.0"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:8 / kernel

Package

Name: kernel
Purl: pkg:rpm/rocky-linux/kernel?distro=rocky-linux-8&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:4.18.0-553.156.1.el8_10

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:55764.json"