RHSA-2026:2821

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Source
https://access.redhat.com/errata/RHSA-2026:2821
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:2821.json
JSON Data
https://api.osv.dev/v1/vulns/RHSA-2026:2821
Upstream
Published
2026-02-18T10:10:58Z
Modified
2026-03-02T10:08:07Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H CVSS Calculator
Summary
Red Hat Security Advisory: kernel-rt security update
Details
References

Affected packages

Red Hat:enterprise_linux:8::nfv
kernel-rt

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-core

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-core

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-debuginfo

Package

Name
kernel-rt-debug-debuginfo
Purl
pkg:rpm/redhat/kernel-rt-debug-debuginfo

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-kvm

Package

Name
kernel-rt-debug-kvm
Purl
pkg:rpm/redhat/kernel-rt-debug-kvm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-modules

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-modules-extra

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debuginfo

Package

Name
kernel-rt-debuginfo
Purl
pkg:rpm/redhat/kernel-rt-debuginfo

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debuginfo-common-x86_64

Package

Name
kernel-rt-debuginfo-common-x86_64
Purl
pkg:rpm/redhat/kernel-rt-debuginfo-common-x86_64

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-kvm

Package

Name
kernel-rt-kvm
Purl
pkg:rpm/redhat/kernel-rt-kvm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-modules

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-modules-extra

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
Red Hat:enterprise_linux:8::realtime
kernel-rt

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-core

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-core

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-debuginfo

Package

Name
kernel-rt-debug-debuginfo
Purl
pkg:rpm/redhat/kernel-rt-debug-debuginfo

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-kvm

Package

Name
kernel-rt-debug-kvm
Purl
pkg:rpm/redhat/kernel-rt-debug-kvm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-modules

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debug-modules-extra

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debuginfo

Package

Name
kernel-rt-debuginfo
Purl
pkg:rpm/redhat/kernel-rt-debuginfo

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-debuginfo-common-x86_64

Package

Name
kernel-rt-debuginfo-common-x86_64
Purl
pkg:rpm/redhat/kernel-rt-debuginfo-common-x86_64

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-devel

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-kvm

Package

Name
kernel-rt-kvm
Purl
pkg:rpm/redhat/kernel-rt-kvm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-modules

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"
kernel-rt-modules-extra

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.105.1.rt7.446.el8_10

Database specific

source 
"https://security.access.redhat.com/data/osv/RHSA-2026:2821.json"