ALSA-2026:26428

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Source
https://errata.almalinux.org/8/ALSA-2026-26428.html
Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALSA-2026:26428
Related
Published
2026-06-16T00:00:00Z
Modified
2026-06-17T12:59:21.591507562Z
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: mptcp: fix slab-use-after-free in __inetlookupestablished (CVE-2026-31669)
  • kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)
  • kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)
  • kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110)
  • kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329)
  • kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)
  • kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)
  • kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)

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
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.json"
kernel-rt-core

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.json"
kernel-rt-debug

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.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
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.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
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.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
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.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
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.json"
kernel-rt-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.json"
kernel-rt-modules

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.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
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.134.1.rt7.475.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26428.json"