ELSA-2026-50299: Security update for 8 packages

ELSA-2026-50299, released June 3, 2026, fixes 4 CVEs across 8 products. 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

0.0199

80th percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 1
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
kernel-uek	ol 8	0:5.4.17-2136.356.4.1.el7uek
kernel-uek-container	ol 8	0:5.4.17-2136.356.4.1.el7uek
kernel-uek-container-debug	ol 8	0:5.4.17-2136.356.4.1.el7uek
kernel-uek-debug	ol 8	0:5.4.17-2136.356.4.1.el7uek
kernel-uek-debug-devel	ol 8	0:5.4.17-2136.356.4.1.el7uek
kernel-uek-devel	ol 8	0:5.4.17-2136.356.4.1.el7uek
kernel-uek-doc	ol 8	0:5.4.17-2136.356.4.1.el7uek
kernel-uek-tools	ol 8	0:5.4.17-2136.356.4.1.el7uek

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-31402	kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues wer...	9.8	0.0122	None reported
High	CVE-2026-43503	net: skbuff: propagate shared-frag marker through frag-transfer helpers	8.8	0.0199	None reported
High	CVE-2026-23193	kernel-rt-devel: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...	7.8	0.0036	None reported
High	CVE-2026-23216	scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()	8.8	0.0014	None reported

Also fixes CVE-2026-31402

RXSA-2026:13577
kernel on rocky 8
RHSA-2026:13577
bpftool, kernel, kernel-abi-stablelists and 20 more on RHEL 8
RHSA-2026:13578
kernel-rt, kernel-rt-core, kernel-rt-debug and 9 more on RHEL 8
ALSA-2026:13577
bpftool, kernel, kernel-abi-stablelists and 22 more on almalinux 8
ALSA-2026:13578
kernel-rt, kernel-rt-core, kernel-rt-debug and 7 more on almalinux 8
RLSA-2026:13578
kernel-rt on rocky 8
ELSA-2026-13577
bpftool, kernel, kernel-abi-stablelists and 17 more on ol 8
ELSA-2026-13565
kernel, kernel-abi-stablelists, kernel-core and 26 more on ol 9

Vendor advisory

https://linux.oracle.com/errata/ELSA-2026-50299.html

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