RXSA-2026:50978

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Source
https://errata.rockylinux.org/RXSA-2026:50978
Import Source
https://storage.googleapis.com/resf-osv-data/RXSA-2026:50978.json
JSON Data
https://api.osv.dev/v1/vulns/RXSA-2026:50978
Upstream
  • CVE-2025-54518
Published
2026-08-06T18:09:47.362746Z
Modified
2026-08-06T18:23:10.151871251Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: kernel security, bug fix, and enhancement update
Details

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 bpfforeacharrayelem() 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 hvstorvsc driver can we add additional code to allow PERSISTENTRESERVE_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.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / kernel

Package

Name
kernel
Purl
pkg:rpm/rocky-linux/kernel?distro=rocky-linux-8-sig-cloud&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.153.1.el8_10.cloud.0.1
Database specific 
{
    "yum_repository": "cloud-kernel"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RXSA-2026:50978.json"