RHSA-2026:54343: kernel security update

RHSA-2026:54343, released August 13, 2026, fixes 3 CVEs in kernel (version 6.12.0-211.47.1.el10_2). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0018

7th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	RHEL 10	6.12.0-211.47.1.el10_2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-64300	linux: In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix page UAF in map_range() map_range...	7.8	0.0018	None reported
High	CVE-2026-52912	netfilter: nf_queue: hold bridge skb->dev while queued	7.8	0.0016	None reported
High	CVE-2026-53202	kernel: In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fix signed integer truncation in IPC...	7.8	0.0016	None reported

Also fixes CVE-2026-64300

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
ALAS2023-2026-2045
bpftool6.18, bpftool6.18-debuginfo, kernel-livepatch-6.18.39-79.141 and 16 more on amzn 2023
ALSA-2026:54343
kernel, kernel-64k, kernel-64k-core and 72 more on almalinux 10
RLSA-2026:54343
kernel on rocky 10
ELSA-2026-54343
kernel, kernel-abi-stablelists, kernel-core and 27 more on ol 10
DEBIAN-CVE-2026-64300
linux on Debian 14

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:54343

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