RLSA-2026:1662: kernel security update

RLSA-2026:1662, released February 11, 2026, fixes 10 CVEs in kernel (version 0:4.18.0-553.100.1.el8_10). 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

0.0053

44th percentile

Priority of the 10 CVEs

Patch now 0
                                Urgent 0
                                High 10
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	rocky 8	0:4.18.0-553.100.1.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2022-50865	linux: In the Linux kernel, the following vulnerability has been resolved: tcp: fix a signed-integer-overflow bug in tcp_ad...	7.8	0.0053	None reported
High	CVE-2025-40258	mptcp: fix race condition in mptcp_schedule_work()	9.8	0.0050	None reported
High	CVE-2025-40271	linux: In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in proc_readdir_de() Pde is er...	7.8	0.0049	None reported
High	CVE-2024-26766	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system	7.8	0.0027	None reported
High	CVE-2025-38024	kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0023	None reported
High	CVE-2025-38415	Squashfs: check return result of sb_min_blocksize	7.8	0.0023	None reported
High	CVE-2025-38459	atm: clip: Fix infinite recursive call of clip_push().	7.8	0.0021	None reported
High	CVE-2025-38022	RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem	7.8	0.0020	None reported
High	CVE-2025-39760	usb: core: config: Prevent OOB read in SS endpoint companion parsing	7.8	0.0018	None reported
High	CVE-2025-40322	fbdev: bitblit: bound-check glyph index in bit_putcs*	7.8	0.0014	None reported

Also fixes CVE-2022-50865

RHSA-2023:6583
bpftool, kernel, kernel-64k and 59 more on RHEL 9
RLSA-2026:1661
kernel-rt on rocky 8
ALSA-2026:1661
kernel-rt, kernel-rt-core, kernel-rt-debug and 7 more on almalinux 8
ALSA-2026:1662
bpftool, kernel, kernel-abi-stablelists and 22 more on almalinux 8
ELSA-2026-1662
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
RHSA-2026:1661
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8
RHSA-2026:1662
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
DEBIAN-CVE-2022-50865
linux on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:1662

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