RXSA-2026:50978

Security

Mirrored from RHSA-2026:50978

Issued at: 2026-08-06

Updated at: 2026-08-08

Synopsis

Important: kernel security, bug fix, and enhancement update

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation (CVE-2025-54518)

Bug Fix(es) and Enhancement(s):

* Kernel crash in bpf_for_each_array_elem() due to missing backport of upstream commit 4b6313cf99b0 (JIRA:Rocky Linux SIG Cloud-191844)

* gfs2: xfstests generic/363 failure [rhel-8.10.z] (JIRA:Rocky Linux SIG Cloud-214099)

* Rocky Linux SIG Cloud8: HYPERV hv_storvsc driver can we add additional code to allow PERSISTENT_RESERVE_IN [Rocky Linux SIG Cloud 8.10Z] (JIRA:Rocky Linux SIG Cloud-188270)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected products

Rocky Linux 8 SIG Cloud aarch64

Rocky Linux 8 SIG Cloud x86_64

Fixes

2477784

CVEs

CVE-2025-54518

Affected packages

Rocky Linux 8 SIG Cloud aarch64 - cloud-kernel

bpftool-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-0:4.18.0-553.153.1.el8_10.cloud.0.1.src.rpm

kernel-debug-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-tools-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

perf-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

python3-perf-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

bpftool-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-abi-stablelists-0:4.18.0-553.153.1.el8_10.cloud.0.1.noarch.rpm

kernel-core-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-debug-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-debug-core-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-debug-devel-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-debug-modules-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-debug-modules-extra-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-devel-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-doc-0:4.18.0-553.153.1.el8_10.cloud.0.1.noarch.rpm

kernel-modules-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-modules-extra-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-tools-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-tools-libs-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

kernel-tools-libs-devel-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

perf-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

python3-perf-0:4.18.0-553.153.1.el8_10.cloud.0.1.aarch64.rpm

Rocky Linux 8 SIG Cloud x86_64 - cloud-kernel

bpftool-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-0:4.18.0-553.153.1.el8_10.cloud.0.1.src.rpm

kernel-debug-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-tools-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

perf-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

python3-perf-debuginfo-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

bpftool-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-abi-stablelists-0:4.18.0-553.153.1.el8_10.cloud.0.1.noarch.rpm

kernel-core-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-debug-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-debug-core-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-debug-devel-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-debug-modules-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-debug-modules-extra-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-devel-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-doc-0:4.18.0-553.153.1.el8_10.cloud.0.1.noarch.rpm

kernel-modules-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-modules-extra-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-tools-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-tools-libs-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

kernel-tools-libs-devel-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

perf-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

python3-perf-0:4.18.0-553.153.1.el8_10.cloud.0.1.x86_64.rpm

Rocky Linux 8 SIG Cloud x86_64 - cloud-common

kernel-0:4.18.0-553.153.1.el8_10.cloud.0.1.src.rpm

Rocky Linux 8 SIG Cloud aarch64 - cloud-common

kernel-0:4.18.0-553.153.1.el8_10.cloud.0.1.src.rpm