RHSA-2026:50978: Security update for 23 packages

RHSA-2026:50978, released August 6, 2026, fixes 1 CVE across 23 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

0.0029

21st percentile

Fixed package versions

Product	Release	Fixed in
bpftool	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-abi-stablelists	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-core	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-debug	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-debug-core	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-debug-devel	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-debug-modules	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-debug-modules-extra	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-devel	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-doc	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-modules	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-modules-extra	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-tools	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-tools-libs	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-tools-libs-devel	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-zfcpdump	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-zfcpdump-core	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-zfcpdump-devel	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-zfcpdump-modules	RHEL 8	0:4.18.0-553.153.1.el8_10
kernel-zfcpdump-modules-extra	RHEL 8	0:4.18.0-553.153.1.el8_10
perf	RHEL 8	0:4.18.0-553.153.1.el8_10
python3-perf	RHEL 8	0:4.18.0-553.153.1.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2025-54518	AMD: CVE-2025-54518 CPU OP Cache Corruption	7.8	0.0029	Exploitation Unlikely

Also fixes CVE-2025-54518

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-2026:3790-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
SUSE-SU-2026:3810-1
kernel-livepatch-SLE15-SP7-RT_Update_19 on sles 15.7
SUSE-SU-2026:2238-1
kernel-64kb, kernel-azure, kernel-default and 7 more on sles 15.7
SUSE-SU-2026:22040-1
kernel-livepatch-SLE16_Update_5 on sles 16.0
SUSE-SU-2026:22039-1
kernel-livepatch-SLE16_Update_0 on sles 16.0

Vendor advisory

https://access.redhat.com/errata/RHSA-2026:50978

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