RLSA-2026:72624: kernel security update

RLSA-2026:72624, released September 30, 2026, fixes 10 CVEs in kernel (version 0:6.12.0-211.61.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.3

Base score, 0 to 10

Highest EPSS

0.0050

43rd percentile

Priority of the 10 CVEs

Patch now 0
                                Urgent 1
                                High 9
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	rocky 10	0:6.12.0-211.61.1.el10_2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-89775	linux: In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Handle negative S1 walk levels in VN...	9.3	0.0024	None reported
High	CVE-2026-68299	vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets	8.8	0.0050	None reported
High	CVE-2026-89480	kernel-uek64k-modules-core: ELSA-2026-500374: Unbreakable Enterprise kernel security update (IMPORTANT)	8.8	0.0043	None reported
High	CVE-2026-64556	linux: In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during remove_on_...	8.8	0.0016	None reported
High	CVE-2026-46076	KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1	8.8	0.0014	None reported
High	CVE-2026-74753	perf: Reject exited events as group leaders	8.8	0.0013	None reported
High	CVE-2026-80522	kernel: crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req() (CKI Backport Bot) [RHEL-254308]	8.8	0.0013	None reported
High	CVE-2026-45942	ext4: fix e4b bitmap inconsistency reports	8.8	0.0013	None reported
High	CVE-2026-53341	kernel-64k-debug-modules: kernel: fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()	8.8	0.0013	None reported
High	CVE-2026-46317	kernel: kernel: KVM: arm64: Reassign nested_mmus array behind mmu_lock	8.8	0.0013	None reported

Also fixes CVE-2026-89775

ALAS2023-2026-3187
bpftool6.18, bpftool6.18-debuginfo, kernel-livepatch-6.18.51-120.162 and 16 more on amzn 2023
RHSA-2026:72624
kernel on RHEL 10
ELSA-2026-72624
kernel, kernel-abi-stablelists, kernel-core and 27 more on ol 10
ALSA-2026:72624
kernel, kernel-64k, kernel-64k-core and 72 more on almalinux 10
DEBIAN-CVE-2026-89775
linux on Debian 14

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:72624

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