ELSA-2026-50374: Security update for 8 packages

ELSA-2026-50374, released July 4, 2026, fixes 6 CVEs across 8 products. 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-uek	ol 8	0:5.4.17-2136.357.3.1.el7uek
kernel-uek-container	ol 8	0:5.4.17-2136.357.3.1.el7uek
kernel-uek-container-debug	ol 8	0:5.4.17-2136.357.3.1.el7uek
kernel-uek-debug	ol 8	0:5.4.17-2136.357.3.1.el7uek
kernel-uek-debug-devel	ol 8	0:5.4.17-2136.357.3.1.el7uek
kernel-uek-devel	ol 8	0:5.4.17-2136.357.3.1.el7uek
kernel-uek-doc	ol 8	0:5.4.17-2136.357.3.1.el7uek
kernel-uek-tools	ol 8	0:5.4.17-2136.357.3.1.el7uek

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-2026-43037	ip6_tunnel: clear skb2->cb[] in ip4ip6_err()	9.8	0.0069	None reported
High	CVE-2026-46331	net/sched: fix pedit partial COW leading to page cache corruption	8.1	0.0064	None reported
High	CVE-2026-31657	batman-adv: hold claim backbone gateways by reference	9.8	0.0040	None reported
High	CVE-2026-31504	net: fix fanout UAF in packet_release() via NETDEV_UP race	7.8	0.0011	None reported
Routine	CVE-2022-50073	net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null	6.5	0.0021	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://linux.oracle.com/errata/ELSA-2026-50374.html

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