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RHSA-2026:0537
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Source
https://access.redhat.com/errata/RHSA-2026:0537
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:0537.json
JSON Data
https://api.test.osv.dev/v1/vulns/RHSA-2026:0537
Upstream
CVE-2023-52638
CVE-2023-53581
CVE-2023-53675
CVE-2023-53680
CVE-2023-53705
CVE-2024-35868
CVE-2025-23142
CVE-2025-38724
CVE-2025-39825
CVE-2025-39925
CVE-2025-39982
CVE-2025-68285
CVE-2025-68287
Published
2026-01-14T10:39:39Z
Modified
2026-01-14T11:15:09.477820Z
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-2026:0537
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2273082
https://bugzilla.redhat.com/show_bug.cgi?id=2281745
https://bugzilla.redhat.com/show_bug.cgi?id=2363300
https://bugzilla.redhat.com/show_bug.cgi?id=2393172
https://bugzilla.redhat.com/show_bug.cgi?id=2395792
https://bugzilla.redhat.com/show_bug.cgi?id=2400629
https://bugzilla.redhat.com/show_bug.cgi?id=2401545
https://bugzilla.redhat.com/show_bug.cgi?id=2402213
https://bugzilla.redhat.com/show_bug.cgi?id=2402293
https://bugzilla.redhat.com/show_bug.cgi?id=2404100
https://bugzilla.redhat.com/show_bug.cgi?id=2405713
https://bugzilla.redhat.com/show_bug.cgi?id=2422788
https://bugzilla.redhat.com/show_bug.cgi?id=2422801
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0537.json
https://access.redhat.com/security/cve/CVE-2023-52638
https://www.cve.org/CVERecord?id=CVE-2023-52638
https://nvd.nist.gov/vuln/detail/CVE-2023-52638
https://lore.kernel.org/linux-cve-announce/2024040334-CVE-2023-52638-26a6@gregkh/T
https://access.redhat.com/security/cve/CVE-2023-53581
https://www.cve.org/CVERecord?id=CVE-2023-53581
https://nvd.nist.gov/vuln/detail/CVE-2023-53581
https://lore.kernel.org/linux-cve-announce/2025100424-CVE-2023-53581-80fa@gregkh/T
https://access.redhat.com/security/cve/CVE-2023-53675
https://www.cve.org/CVERecord?id=CVE-2023-53675
https://nvd.nist.gov/vuln/detail/CVE-2023-53675
https://lore.kernel.org/linux-cve-announce/2025100707-CVE-2023-53675-e7ac@gregkh/T
https://access.redhat.com/security/cve/CVE-2023-53680
https://www.cve.org/CVERecord?id=CVE-2023-53680
https://nvd.nist.gov/vuln/detail/CVE-2023-53680
https://lore.kernel.org/linux-cve-announce/2025100708-CVE-2023-53680-501d@gregkh/T
https://access.redhat.com/security/cve/CVE-2023-53705
https://www.cve.org/CVERecord?id=CVE-2023-53705
https://nvd.nist.gov/vuln/detail/CVE-2023-53705
https://lore.kernel.org/linux-cve-announce/2025102212-CVE-2023-53705-38d9@gregkh/T
https://access.redhat.com/security/cve/CVE-2024-35868
https://www.cve.org/CVERecord?id=CVE-2024-35868
https://nvd.nist.gov/vuln/detail/CVE-2024-35868
https://lore.kernel.org/linux-cve-announce/2024051940-CVE-2024-35868-be7a@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-23142
https://www.cve.org/CVERecord?id=CVE-2025-23142
https://nvd.nist.gov/vuln/detail/CVE-2025-23142
https://lore.kernel.org/linux-cve-announce/2025050124-CVE-2025-23142-ac59@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-38724
https://www.cve.org/CVERecord?id=CVE-2025-38724
https://nvd.nist.gov/vuln/detail/CVE-2025-38724
https://lore.kernel.org/linux-cve-announce/2025090401-CVE-2025-38724-5309@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-39825
https://www.cve.org/CVERecord?id=CVE-2025-39825
https://nvd.nist.gov/vuln/detail/CVE-2025-39825
https://lore.kernel.org/linux-cve-announce/2025091616-CVE-2025-39825-8a7a@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-39925
https://www.cve.org/CVERecord?id=CVE-2025-39925
https://nvd.nist.gov/vuln/detail/CVE-2025-39925
https://lore.kernel.org/linux-cve-announce/2025100124-CVE-2025-39925-bcec@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-39982
https://www.cve.org/CVERecord?id=CVE-2025-39982
https://nvd.nist.gov/vuln/detail/CVE-2025-39982
https://lore.kernel.org/linux-cve-announce/2025101559-CVE-2025-39982-a36e@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-68285
https://www.cve.org/CVERecord?id=CVE-2025-68285
https://nvd.nist.gov/vuln/detail/CVE-2025-68285
https://lore.kernel.org/linux-cve-announce/2025121638-CVE-2025-68285-8339@gregkh/T
https://access.redhat.com/security/cve/CVE-2025-68287
https://www.cve.org/CVERecord?id=CVE-2025-68287
https://nvd.nist.gov/vuln/detail/CVE-2025-68287
https://lore.kernel.org/linux-cve-announce/2025121638-CVE-2025-68287-5647@gregkh/T
Affected packages
Red Hat:rhel_e4s:9.0::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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.json"
Red Hat:rhel_e4s:9.0::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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.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
0:5.14.0-70.161.1.rt21.233.el9_0
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:0537.json"
RHSA-2026:0537 - OSV