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RHSA-2026:9512
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Source
https://access.redhat.com/errata/RHSA-2026:9512
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:9512.json
JSON Data
https://api.osv.dev/v1/vulns/RHSA-2026:9512
Upstream
CVE-2025-38248
CVE-2025-39981
CVE-2025-68800
CVE-2026-23066
CVE-2026-23144
CVE-2026-23171
CVE-2026-23204
CVE-2026-23209
CVE-2026-23231
Published
2026-04-22T10:11:28Z
Modified
2026-04-24T10:12:52Z
Severity
7.5 (High)
CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Calculator
Summary
Red Hat Security Advisory: kernel-rt security update
Details
References
https://access.redhat.com/errata/RHSA-2026:9512
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2378981
https://bugzilla.redhat.com/show_bug.cgi?id=2404105
https://bugzilla.redhat.com/show_bug.cgi?id=2429065
https://bugzilla.redhat.com/show_bug.cgi?id=2436805
https://bugzilla.redhat.com/show_bug.cgi?id=2439872
https://bugzilla.redhat.com/show_bug.cgi?id=2439886
https://bugzilla.redhat.com/show_bug.cgi?id=2439900
https://bugzilla.redhat.com/show_bug.cgi?id=2439931
https://bugzilla.redhat.com/show_bug.cgi?id=2444376
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_9512.json
https://access.redhat.com/security/cve/CVE-2025-38248
https://www.cve.org/CVERecord?id=CVE-2025-38248
https://nvd.nist.gov/vuln/detail/CVE-2025-38248
https://lore.kernel.org/linux-cve-announce/2025070934-CVE-2025-38248-003c@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-39981
https://www.cve.org/CVERecord?id=CVE-2025-39981
https://nvd.nist.gov/vuln/detail/CVE-2025-39981
https://lore.kernel.org/linux-cve-announce/2025101559-CVE-2025-39981-fe1d@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-68800
https://www.cve.org/CVERecord?id=CVE-2025-68800
https://nvd.nist.gov/vuln/detail/CVE-2025-68800
https://lore.kernel.org/linux-cve-announce/2026011307-CVE-2025-68800-39d2@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-23066
https://www.cve.org/CVERecord?id=CVE-2026-23066
https://nvd.nist.gov/vuln/detail/CVE-2026-23066
https://lore.kernel.org/linux-cve-announce/2026020416-CVE-2026-23066-8e44@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-23144
https://www.cve.org/CVERecord?id=CVE-2026-23144
https://nvd.nist.gov/vuln/detail/CVE-2026-23144
https://lore.kernel.org/linux-cve-announce/2026021417-CVE-2026-23144-297b@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-23171
https://www.cve.org/CVERecord?id=CVE-2026-23171
https://nvd.nist.gov/vuln/detail/CVE-2026-23171
https://lore.kernel.org/linux-cve-announce/2026021421-CVE-2026-23171-5a73@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-23204
https://www.cve.org/CVERecord?id=CVE-2026-23204
https://nvd.nist.gov/vuln/detail/CVE-2026-23204
https://lore.kernel.org/linux-cve-announce/2026021437-CVE-2026-23204-be85@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-23209
https://www.cve.org/CVERecord?id=CVE-2026-23209
https://nvd.nist.gov/vuln/detail/CVE-2026-23209
https://lore.kernel.org/linux-cve-announce/2026021439-CVE-2026-23209-9ad6@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-23231
https://www.cve.org/CVERecord?id=CVE-2026-23231
https://nvd.nist.gov/vuln/detail/CVE-2026-23231
https://lore.kernel.org/linux-cve-announce/2026030436-CVE-2026-23231-1a96@gregkh/T
Affected packages
Red Hat:rhel_e4s:9.2::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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.json"
kernel-rt-debug-modules-core
Package
Name
kernel-rt-debug-modules-core
Purl
pkg:rpm/redhat/kernel-rt-debug-modules-core
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.json"
kernel-rt-modules-core
Package
Name
kernel-rt-modules-core
Purl
pkg:rpm/redhat/kernel-rt-modules-core
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.json"
Red Hat:rhel_e4s:9.2::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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.json"
kernel-rt-debug-modules-core
Package
Name
kernel-rt-debug-modules-core
Purl
pkg:rpm/redhat/kernel-rt-debug-modules-core
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.json"
kernel-rt-modules-core
Package
Name
kernel-rt-modules-core
Purl
pkg:rpm/redhat/kernel-rt-modules-core
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.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
0:5.14.0-284.166.1.rt14.451.el9_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:9512.json"
RHSA-2026:9512 - OSV