RLSA-2026:72623: kernel security update

RLSA-2026:72623, released September 30, 2026, fixes 9 CVEs in kernel (version 0:5.14.0-687.53.1.el9_8). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0050

43rd percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 0
                                High 9
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	rocky 9	0:5.14.0-687.53.1.el9_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-64102	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system	9.8	0.0050	None reported
High	CVE-2026-46325	RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE	9.8	0.0045	None reported
High	CVE-2026-63875	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system	8.8	0.0018	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-2026-52972	crypto: af_alg - Cap AEAD AD length to 0x80000000	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	linux: In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - fix rctx->cryptlen calculation i...	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: The kernel packages contain the Linux kernel, the core of any Linux operating system	8.8	0.0013	None reported

Also fixes CVE-2026-64102

SUSE-SU-2026:4120-1
kernel-livepatch-SLE15-SP7-RT_Update_20 on sles 15.7
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
ALSA-2026:74132
kernel-rt, kernel-rt-core, kernel-rt-debug and 7 more on almalinux 8
ALSA-2026:74133
bpftool, kernel, kernel-abi-stablelists and 22 more on almalinux 8
ELSA-2026-74133
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
RHSA-2026:74132
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:72623

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