RLSA-2026:49851

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Source
https://errata.rockylinux.org/RLSA-2026:49851
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:49851.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:49851
Upstream
Published
2026-08-06T00:02:01.285525Z
Modified
2026-08-06T00:30:06.507820410Z
Severity
  • 5.8 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H CVSS Calculator
Summary
Moderate: kernel-rt security, bug fix, and enhancement update
Details

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)

Bug Fix(es) and Enhancement(s):

  • Rocky Linux8.10 - KVM: s390: Limit adapter indicator access to mapped page (JIRA:Rocky Linux-183880)

  • CIFS mounts do not work with the latest kernel (JIRA:Rocky Linux-213976)

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-rt

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.151.1.rt7.492.el8_10
Database specific 
{
    "yum_repository": "NFV"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:49851.json"