RHSA-2026:52764: kernel security update

RHSA-2026:52764, released June 24, 2026, fixes 8 CVEs in kernel (version 6.12.0-55.95.1.el10_0). 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

0.0046

39th percentile

Priority of the 8 CVEs

Patch now 0
                                Urgent 0
                                High 8
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	RHEL 10	6.12.0-55.95.1.el10_0

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-71116	libceph: make decode_pool() more resilient against corrupted osdmaps	8.1	0.0046	None reported
High	CVE-2026-22990	kernel: In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_app...	8.8	0.0040	None reported
High	CVE-2026-31613	smb: client: fix OOB reads parsing symlink error response	8.8	0.0039	None reported
High	CVE-2026-43112	kpatch-patch-4_18_0-553_109_1: This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a run...	8.8	0.0035	None reported
High	CVE-2026-52923	ipc: limit next_id allocation to the valid ID range	7.8	0.0022	None reported
High	CVE-2026-52976	kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: K...	7.8	0.0018	None reported
High	CVE-2026-31787	kernel: In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix double free via VMA splitting pr...	7.8	0.0018	None reported
High	CVE-2026-46054	selinux: fix overlayfs mmap() and mprotect() access checks	8.8	0.0012	None reported

Also fixes CVE-2025-71116

ALSA-2026:19568
kernel, kernel-64k, kernel-64k-core and 71 more on almalinux 9
RLSA-2026:19568
kernel on rocky 9
RHSA-2026:19568
kernel, kernel-64k, kernel-64k-core and 69 more on RHEL 9
ELSA-2026-19568
kernel, kernel-abi-stablelists, kernel-core and 26 more on ol 9
ELSA-2026-50112
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
ELSA-2026-50145
bpftool, kernel-uek, kernel-uek-container and 16 more on ol 8, ol 9
OPENSUSE-SU-2026:20287-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:20599-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 16.0

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:52764

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