RHSA-2026:82806: Security update for 12 packages

RHSA-2026:82806, released October 16, 2026, fixes 8 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0031

23rd percentile

Priority of the 8 CVEs

Patch now 0
                                Urgent 1
                                High 7
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel-rt	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-core	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-debug	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-debug-core	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-debug-devel	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-debug-kvm	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-debug-modules	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-debug-modules-extra	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-devel	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-kvm	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-modules	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10
kernel-rt-modules-extra	RHEL 8	0:4.18.0-553.173.1.rt7.514.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-68236	drm/amd/display: set new_stream to NULL after release	9.8	0.0013	None reported
High	CVE-2026-68409	wifi: mac80211: defer link RX stats percpu free to RCU	8.8	0.0031	None reported
High	CVE-2026-68278	drm/dp/mst: fix buffer overflows in sideband chunk accumulation	8.1	0.0024	None reported
High	CVE-2026-89811	drm/amdkfd: Add TLB flush after MES queue eviction/suspension	8.8	0.0018	None reported
High	CVE-2026-63920	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system	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-2026-68108	drm/amdgpu/vce: fix integer overflow in image size	8.8	0.0014	None reported
High	CVE-2026-31678	openvswitch: defer tunnel netdev_put to RCU release	8.8	0.0013	None reported

Also fixes CVE-2026-68236

SUSE-SU-2026:4120-1
kernel-livepatch-SLE15-SP7-RT_Update_20 on sles 15.7
ELSA-2026-500248
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
ELSA-2026-500574
bpftool, kernel-uek, kernel-uek-container and 16 more on ol 8, ol 9
OPENSUSE-SU-2026:21910-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:23902-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 16.0
SUSE-SU-2026:4254-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
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://access.redhat.com/errata/RHSA-2026:82806

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