RHSA-2026:70403

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Source

https://access.redhat.com/errata/RHSA-2026:70403

Import Source

https://security.access.redhat.com/data/osv/RHSA-2026:70403.json

JSON Data

https://api.test.osv.dev/v1/vulns/RHSA-2026:70403

Upstream

CVE (20)

Published

2026-09-23T10:15:24Z

Modified

2026-09-23T10:31:22Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement 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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-core

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-debug

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-debuginfo

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-devel

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-kvm

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-modules

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-core

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-debug

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-debuginfo

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-devel

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"

kernel-rt-modules

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.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

0 Unknown introduced version / All previous versions are affected

Fixed

0:4.18.0-553.166.1.rt7.507.el8_10

Database specific

source

"https://security.access.redhat.com/data/osv/RHSA-2026:70403.json"