ALSA-2026:36348

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Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:36348
Related
Published
2026-07-07T00:00:00Z
Modified
2026-07-08T14:44:27.172400289Z
Summary
Important: kernel-rt security, bug fix, and enhancement 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: tcp: fix potential race in tcpv6synrecvsock() (CVE-2026-43198)
  • kernel: netfilter: nfnetlinkcthelper: fix OOB read in nfnlcthelperdumptable() (CVE-2026-43450)
  • kernel: sctp: revalidate list cursor after sctpsendmsgtoasoc() in SCTPSENDALL (CVE-2026-46227)
  • kernel: drm/gem: Fix inconsistent plane dimension calculation in drmgemfbinitwith_funcs() (CVE-2026-46209)
  • kernel: procfs: fix missing RCU protection when reading realparent in dotask_stat() (CVE-2026-46259)
  • kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources (CVE-2025-10263)

Bug Fix(es) and Enhancement(s):

  • kernel panic at trailing_symlink while the task wdavdaemon runs even after 4c4f7c19b3c7 (JIRA:AlmaLinux-152759)

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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.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
4.18.0-553.140.1.rt7.481.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:36348.json"