RLSA-2026:77500

Source
https://errata.rockylinux.org/RLSA-2026:77500
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:77500.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:77500
Upstream
CVE (3)
Published
2026-10-09T06:05:01Z
Modified
2026-10-09T06:45:02Z
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-rt security 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: vsock/vmci: fix UAF when peer resets connection during handshake (CVE-2026-64115)

  • kernel: packet: use consistent hard_header_len in non-ring send paths ()

  • kernel: packet: use consistent hard_header_len in non-ring send paths (CVE-2026-74582)

  • kernel: svcrdma: Reject inline replies that overflow the pull-up buffer (CVE-2026-89530)

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
{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:77500"
}
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
0 Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.172.1.rt7.513.el8_10
Database specific
Show details
{
    "yum_repository": "NFV"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:77500.json"