RLSA-2026:51035: kernel security update

RLSA-2026:51035, released August 7, 2026, fixes 2 CVEs in kernel (version 0:5.14.0-687.36.1.el9_8). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0017

6th percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	rocky 9	0:5.14.0-687.36.1.el9_8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-23415	kernel: kernel: futex: Fix UaF between futex_key_to_node_opt() and vma_replace_policy()	7.8	0.0017	None reported
High	CVE-2026-43450	kernel-rt-64k-modules-core: kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table()	8.8	0.0013	None reported

Also fixes CVE-2026-23415

ALAS2023-2026-1746
bpftool6.18, bpftool6.18-debuginfo, kernel-livepatch-6.18.25-52.107 and 15 more on amzn 2023
RLSA-2026:53330
kernel on rocky 10
ALSA-2026:53330
kernel, kernel-64k, kernel-64k-core and 72 more on almalinux 10
ELSA-2026-53330
kernel, kernel-abi-stablelists, kernel-core and 27 more on ol 10
RHSA-2026:53330
kernel on RHEL 10
RHSA-2026:51035
kernel, kernel-64k, kernel-64k-core and 69 more on RHEL 9
ALSA-2026:51035
kernel, kernel-64k, kernel-64k-core and 71 more on almalinux 9
ELSA-2026-51035
kernel, kernel-abi-stablelists, kernel-core and 26 more on ol 9

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:51035

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