RLSA-2026:87374

Source
https://errata.rockylinux.org/RLSA-2026:87374
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:87374.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:87374
Upstream
CVE (7)
Published
2026-10-23T06:43:15Z
Modified
2026-10-23T07:15:03Z
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: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (CVE-2026-64114)

  • kernel: fuse: re-lock request before returning from fuse_ref_folio() (CVE-2026-64266)

  • kernel: ipv4: fib: free fib_alias with kfree_rcu() on insert error path (CVE-2026-64572)

  • kernel: ALSA: seq: close a re-opened queue timer in the destructor (CVE-2026-68202)

  • kernel: xfs: bounds-check buffer log item's dirty bitmap (CVE-2026-80536)

  • kernel: inet: frags: strip GSO state from fragments before reassembly (CVE-2026-80590)

  • kernel: vfio/pci: clear vdev->msi_perm after freeing it on init failure (CVE-2026-89777)

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-2026:87374"
}
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
0:4.18.0-553.177.1.rt7.518.el8_10
Database specific
Show details
{
    "yum_repository":  "NFV"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:87374.json"