RLSA-2026:42919: kernel security update

RLSA-2026:42919, released July 23, 2026, fixes 11 CVEs in kernel (version 0:6.12.0-211.37.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0043

37th percentile

Priority of the 11 CVEs

Patch now 0
                                Urgent 1
                                High 10
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel	rocky 10	0:6.12.0-211.37.1.el10_2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-53009	ice: fix double-free of tx_buf skb	9.8	0.0018	None reported
High	CVE-2026-53071	Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp	8.8	0.0043	None reported
High	CVE-2026-46215	kernel: In the Linux kernel, the following vulnerability has been resolved: drm: Set old handle to NULL before prime swap in...	7.8	0.0023	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-2026-52950	kernel: In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: fix UAF with retry loop Retry doe...	7.8	0.0018	None reported
High	CVE-2026-31530	cxl/port: Fix use after free of parent_port in cxl_detach_ep()	7.8	0.0016	None reported
High	CVE-2025-71113	kernel: In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - zero initialize memory allocated...	7.8	0.0015	None reported
High	CVE-2025-71147	kernel: In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix a memory leak in tpm2_load_cmd...	8.8	0.0014	None reported
High	CVE-2026-23168	kernel: In the Linux kernel, the following vulnerability has been resolved: flex_proportions: make fprop_new_period() hardirq...	7.8	0.0013	None reported
High	CVE-2026-46116	xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete	8.4	0.0013	None reported
High	CVE-2026-46150	fanotify: fix false positive on permission events	7.8	0.0013	None reported

Also fixes CVE-2026-53009

OPENSUSE-SU-2026:21555-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 16.0
SUSE-SU-2026:23237-1
kernel-default on sles 16.0
SUSE-SU-2026:23231-1
kernel-64kb, kernel-azure, kernel-default-base and 6 more on sles 16.0
SUSE-SU-2026:3166-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
SUSE-SU-2026:3130-1
kernel-livepatch-SLE15-SP7-RT_Update_18 on sles 15.7
ALAS2023-2026-1866
bpftool6.18, bpftool6.18-debuginfo, kernel-livepatch-6.18.33-63.124 and 15 more on amzn 2023
RHSA-2026:69089
kernel on RHEL 10
ALAS2023-2026-1894
bpftool6.12, bpftool6.12-debuginfo, kernel-livepatch-6.12.92-122.166 and 15 more on amzn 2023

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:42919

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