RLSA-2026:53329

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Source
https://errata.rockylinux.org/RLSA-2026:53329
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:53329.json
JSON Data
https://api.test.osv.dev/v1/vulns/RLSA-2026:53329
Upstream
  • CVE-2025-54518
  • CVE-2026-64531
Published
2026-08-12T06:06:45.472446Z
Modified
2026-08-12T06:30:03.166153666Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/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: cxl/port: Fix use after free of parentport in cxldetach_ep() (CVE-2026-31530)

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

  • kernel: mm/slab: do not limit zeroing to orig_size when only red zoning is enabled (CVE-2026-64368)

  • kernel: net: openvswitch: reject oversized nested action attrs (CVE-2026-64531)

Bug Fix(es) and Enhancement(s):

  • Kernel oops after increasing max number of mac addresses of a mlx5 VF [rhel-9.8.z] (JIRA:Rocky Linux-213036)

  • Rocky Linux9.4 - s390/pkey: Check length in pkey_pckmo handler implementation [rhel-9.8.z] (JIRA:Rocky Linux-215578)

  • Rocky Linux9.4 - s390/pkey: Check length in PKEY_VERIFYPROTK ioctl [rhel-9.8.z] (JIRA:Rocky Linux-215580)

  • cifs: periodic IO errors when rename races with lease break (JIRA:Rocky Linux-192999)

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.

Database specific 
{
    "source_advisory": "RHSA-2026:53329",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "license": "CC-BY-4.0"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / kernel

Package

Name
kernel
Purl
pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:5.14.0-687.38.1.el9_8
Database specific
Show details 
{
    "yum_repository": "BaseOS"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:53329.json"