RLSA-2026:81552: kernel security update

RLSA-2026:81552, released November 7, 2026, fixes 13 CVEs in kernel (version 0:5.14.0-687.57.1.el9_8). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

3 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0080

56th percentile

Priority of the 13 CVEs

Patch now 0
                                Urgent 3
                                High 10
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	rocky 9	0:5.14.0-687.57.1.el9_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-89970	nvmet-auth: Synchronize timeout work during SQ teardown	9.8	0.0080	None reported
Urgent	CVE-2026-72318	linux: In the Linux kernel, the following vulnerability has been resolved: cifs: validate DFS referral string offsets pars...	9.4	0.0059	None reported
Urgent	CVE-2026-68236	drm/amd/display: set new_stream to NULL after release	9.8	0.0013	None reported
High	CVE-2026-68123	openvswitch: fix GSO userspace truncation underflow	9.8	0.0055	None reported
High	CVE-2026-63925	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system	8.1	0.0035	None reported
High	CVE-2026-68278	drm/dp/mst: fix buffer overflows in sideband chunk accumulation	8.1	0.0024	None reported
High	CVE-2026-64507	x86/bugs: Enable IBPB flush on BPF JIT allocation	7.8	0.0023	None reported
High	CVE-2026-64508	bpf: Support for hardening against JIT spraying	7.8	0.0019	None reported
High	CVE-2026-89811	drm/amdkfd: Add TLB flush after MES queue eviction/suspension	8.8	0.0018	None reported
High	CVE-2026-89894	media: cx231xx: reject geometry changes while the VBI queue is busy	8.1	0.0017	None reported
High	CVE-2026-80887	drm/vmwgfx: use check_add_overflow for shader size+offset bound	8.1	0.0017	None reported
High	CVE-2026-68245	drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid()	7.8	0.0013	None reported
High	CVE-2026-46309	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: d...	7.8	0.0013	None reported

Also fixes CVE-2026-89970

SUSE-SU-2026:4640-1
kernel-livepatch-SLE15-SP7-RT_Update_21 on sles 15.7
SUSE-SU-2026:4706-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
OPENSUSE-SU-2026:22091-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:24197-1
kernel-default on sles 16.0
SUSE-SU-2026:24235-1
kernel-64kb, kernel-azure, kernel-default-base and 6 more on sles 16.0
ELSA-2026-500374
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
ELSA-2026-81552
kernel, kernel-abi-stablelists, kernel-core and 26 more on ol 9
ALSA-2026:81552
kernel, kernel-64k, kernel-64k-core and 15 more on almalinux 9

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:81552

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