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RHSA-2026:25120
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Please try reporting it
to the source
first.
Source
https://access.redhat.com/errata/RHSA-2026:25120
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:25120.json
JSON Data
https://api.test.osv.dev/v1/vulns/RHSA-2026:25120
Upstream
CVE-2023-53781
CVE-2025-21858
CVE-2025-68366
CVE-2026-22984
CVE-2026-22990
CVE-2026-23392
CVE-2026-31581
CVE-2026-31613
CVE-2026-43037
CVE-2026-43038
CVE-2026-43125
CVE-2026-45852
CVE-2026-46181
Published
2026-06-11T10:09:18Z
Modified
2026-06-12T10:06:56Z
Severity
8.8 (High)
CVSS_V3 - CVSS:3.1/AV:N/AC:L/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-2026:25120
https://access.redhat.com/security/updates/classification/#critical
https://bugzilla.redhat.com/show_bug.cgi?id=2351619
https://bugzilla.redhat.com/show_bug.cgi?id=2420279
https://bugzilla.redhat.com/show_bug.cgi?id=2424881
https://bugzilla.redhat.com/show_bug.cgi?id=2432389
https://bugzilla.redhat.com/show_bug.cgi?id=2432400
https://bugzilla.redhat.com/show_bug.cgi?id=2451218
https://bugzilla.redhat.com/show_bug.cgi?id=2461471
https://bugzilla.redhat.com/show_bug.cgi?id=2461480
https://bugzilla.redhat.com/show_bug.cgi?id=2464351
https://bugzilla.redhat.com/show_bug.cgi?id=2464397
https://bugzilla.redhat.com/show_bug.cgi?id=2467234
https://bugzilla.redhat.com/show_bug.cgi?id=2482166
https://bugzilla.redhat.com/show_bug.cgi?id=2482532
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_25120.json
https://access.redhat.com/security/cve/CVE-2023-53781
https://www.cve.org/CVERecord?id=CVE-2023-53781
https://nvd.nist.gov/vuln/detail/CVE-2023-53781
https://lore.kernel.org/linux-cve-announce/2025120939-CVE-2023-53781-cb1d@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-21858
https://www.cve.org/CVERecord?id=CVE-2025-21858
https://nvd.nist.gov/vuln/detail/CVE-2025-21858
https://lore.kernel.org/linux-cve-announce/2025031215-CVE-2025-21858-3986@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-68366
https://www.cve.org/CVERecord?id=CVE-2025-68366
https://nvd.nist.gov/vuln/detail/CVE-2025-68366
https://lore.kernel.org/linux-cve-announce/2025122459-CVE-2025-68366-b367@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-22984
https://www.cve.org/CVERecord?id=CVE-2026-22984
https://nvd.nist.gov/vuln/detail/CVE-2026-22984
https://lore.kernel.org/linux-cve-announce/2026012349-CVE-2026-22984-001c@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-22990
https://www.cve.org/CVERecord?id=CVE-2026-22990
https://nvd.nist.gov/vuln/detail/CVE-2026-22990
https://lore.kernel.org/linux-cve-announce/2026012351-CVE-2026-22990-a62e@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-23392
https://www.cve.org/CVERecord?id=CVE-2026-23392
https://nvd.nist.gov/vuln/detail/CVE-2026-23392
https://lore.kernel.org/linux-cve-announce/2026032548-CVE-2026-23392-fd9d@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-31581
https://www.cve.org/CVERecord?id=CVE-2026-31581
https://nvd.nist.gov/vuln/detail/CVE-2026-31581
https://lore.kernel.org/linux-cve-announce/2026042411-CVE-2026-31581-9bc2@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-31613
https://www.cve.org/CVERecord?id=CVE-2026-31613
https://nvd.nist.gov/vuln/detail/CVE-2026-31613
https://lore.kernel.org/linux-cve-announce/2026042422-CVE-2026-31613-b061@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-43037
https://www.cve.org/CVERecord?id=CVE-2026-43037
https://nvd.nist.gov/vuln/detail/CVE-2026-43037
https://lore.kernel.org/linux-cve-announce/2026050102-CVE-2026-43037-0346@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-43038
https://www.cve.org/CVERecord?id=CVE-2026-43038
https://nvd.nist.gov/vuln/detail/CVE-2026-43038
https://lore.kernel.org/linux-cve-announce/2026050103-CVE-2026-43038-b591@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-43125
https://www.cve.org/CVERecord?id=CVE-2026-43125
https://nvd.nist.gov/vuln/detail/CVE-2026-43125
https://lore.kernel.org/linux-cve-announce/2026050619-CVE-2026-43125-c9f9@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-45852
https://www.cve.org/CVERecord?id=CVE-2026-45852
https://nvd.nist.gov/vuln/detail/CVE-2026-45852
https://lore.kernel.org/linux-cve-announce/2026052708-CVE-2026-45852-fcf9@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-46181
https://www.cve.org/CVERecord?id=CVE-2026-46181
https://nvd.nist.gov/vuln/detail/CVE-2026-46181
https://lore.kernel.org/linux-cve-announce/2026052829-CVE-2026-46181-ecff@gregkh/T
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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.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
0:4.18.0-553.132.1.rt7.473.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:25120.json"
RHSA-2026:25120 - OSV