RHSA-2026:49851: Security update for 12 packages

RHSA-2026:49851, released August 5, 2026, fixes 1 CVE across 12 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0022

12th percentile

Fixed package versions

Product	Release	Fixed in
kernel-rt	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-core	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-debug	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-debug-core	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-debug-devel	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-debug-kvm	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-debug-modules	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-debug-modules-extra	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-devel	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-kvm	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-modules	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10
kernel-rt-modules-extra	RHEL 8	0:4.18.0-553.151.1.rt7.492.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-52923	ipc: limit next_id allocation to the valid ID range	7.8	0.0022	None reported

Also fixes CVE-2026-52923

SUSE-SU-2026:22835-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 16.0
OPENSUSE-SU-2026:21388-1
dtb-aarch64, kernel-64kb, kernel-azure and 10 more on opensuse-leap 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
ALAS2023-2026-1968
bpftool6.12, bpftool6.12-debuginfo, kernel-livepatch-6.12.94-123.174 and 15 more on amzn 2023
SUSE-SU-2026:3156-1
kernel-default, kernel-default-base, kernel-docs and 4 more on sles 15.6
ELSA-2026-500248
kernel-uek, kernel-uek-core, kernel-uek-debug and 32 more on ol 10, ol 9
kernel-uek-container 0:5.15.0-323.211.3.3.el9uek
kernel-uek-container on ol 9

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:49851

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