ALSA-2026:26427

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Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:26427
Related
  • CVE-2026-31669
  • CVE-2026-31786
  • CVE-2026-31787
  • CVE-2026-43110
  • CVE-2026-43329
  • CVE-2026-46056
  • CVE-2026-46125
  • CVE-2026-46152
Published
2026-06-16T00:00:00Z
Modified
2026-06-17T12:59:19.372229174Z
Summary
Important: kernel security update
Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

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
bpftool

Package

Name
bpftool
Purl
pkg:rpm/almalinux/bpftool

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel

Package

Name
kernel
Purl
pkg:rpm/almalinux/kernel

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-abi-stablelists

Package

Name
kernel-abi-stablelists
Purl
pkg:rpm/almalinux/kernel-abi-stablelists

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-core

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-cross-headers

Package

Name
kernel-cross-headers
Purl
pkg:rpm/almalinux/kernel-cross-headers

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-debug

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-debug-core

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-debug-devel

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-debug-modules

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-debug-modules-extra

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-devel

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-doc

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-headers

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-modules

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-modules-extra

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-tools

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-tools-libs

Package

Name
kernel-tools-libs
Purl
pkg:rpm/almalinux/kernel-tools-libs

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-tools-libs-devel

Package

Name
kernel-tools-libs-devel
Purl
pkg:rpm/almalinux/kernel-tools-libs-devel

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-zfcpdump

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-zfcpdump-core

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-zfcpdump-devel

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-zfcpdump-modules

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
kernel-zfcpdump-modules-extra

Package

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

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
perf

Package

Name
perf
Purl
pkg:rpm/almalinux/perf

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"
python3-perf

Package

Name
python3-perf
Purl
pkg:rpm/almalinux/python3-perf

Affected ranges

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

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:26427.json"