ALSA-2026:87374

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Source
https://errata.almalinux.org/8/ALSA-2026-87374.html
Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:87374
Related
CVE (7)
Published
2026-10-21T00:00:00Z
Modified
2026-10-22T11:30:02Z
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.

References

Affected packages

AlmaLinux:8
kernel-rt

Package

Name
kernel-rt
Purl
pkg:rpm/almalinux/kernel-rt

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-core

Package

Name
kernel-rt-core
Purl
pkg:rpm/almalinux/kernel-rt-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-debug

Package

Name
kernel-rt-debug
Purl
pkg:rpm/almalinux/kernel-rt-debug

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-debug-core

Package

Name
kernel-rt-debug-core
Purl
pkg:rpm/almalinux/kernel-rt-debug-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-debug-devel

Package

Name
kernel-rt-debug-devel
Purl
pkg:rpm/almalinux/kernel-rt-debug-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-debug-modules

Package

Name
kernel-rt-debug-modules
Purl
pkg:rpm/almalinux/kernel-rt-debug-modules

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-debug-modules-extra

Package

Name
kernel-rt-debug-modules-extra
Purl
pkg:rpm/almalinux/kernel-rt-debug-modules-extra

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-devel

Package

Name
kernel-rt-devel
Purl
pkg:rpm/almalinux/kernel-rt-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-modules

Package

Name
kernel-rt-modules
Purl
pkg:rpm/almalinux/kernel-rt-modules

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"
kernel-rt-modules-extra

Package

Name
kernel-rt-modules-extra
Purl
pkg:rpm/almalinux/kernel-rt-modules-extra

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.177.1.rt7.518.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:87374.json"