Linux · SUSE Linux Enterprise · Security advisory · July 27, 2026

SUSE-SU-2026:3264-1: kernel-livepatch-SLE15-SP7_Update_12 security update

SUSE-SU-2026:3264-1, released July 27, 2026, fixes 6 CVEs in kernel-livepatch-SLE15-SP7_Update_12 (version 6-150700.2.1). 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

0.0137

72nd percentile

Priority of the 6 CVEs

Patch now 0
                                Urgent 0
                                High 5
                                Routine 1

Fixed package versions

Product	Release	Fixed in
kernel-livepatch-SLE15-SP7_Update_12	sles 15.7	6-150700.2.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-53359	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	0.0137	None reported
High	CVE-2026-23240	tls: Fix race condition in tls_sw_cancel_work_tx()	9.8	0.0056	None reported
High	CVE-2026-43038	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...	9.8	0.0026	None reported
High	CVE-2026-46113	bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: n...	8.8	0.0020	None reported
High	CVE-2026-53366	ipv4: account for fraggap on the paged allocation path	8.5	0.0017	None reported
Routine	CVE-2026-31738	kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues wer...	5.5	0.0012	None reported

Also fixes CVE-2026-53359

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-2026:2799-1
kernel-livepatch-SLE15-SP7-RT_Update_17 on sles 15.7
SUSE-SU-2026:2800-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
RHSA-2026:39082
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8
RHSA-2026:39083
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
ALSA-2026:39082
kernel-rt, kernel-rt-core, kernel-rt-debug and 7 more on almalinux 8

Vendor advisory

https://osv.dev/vulnerability/SUSE-SU-2026:3264-1

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