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RHSA-2026:64770
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Source
https://access.redhat.com/errata/RHSA-2026:64770
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:64770.json
JSON Data
https://api.test.osv.dev/v1/vulns/RHSA-2026:64770
Upstream
CVE-2026-43493
CVE-2026-53002
CVE-2026-64007
CVE-2026-64563
CVE-2026-68343
CVE-2026-72129
CVE-2026-74480
Published
2026-09-08T10:18:54Z
Modified
2026-09-09T10:19:55Z
Severity
8.1 (High)
CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS Calculator
Summary
Red Hat Security Advisory: kernel-rt security update
Details
References
https://access.redhat.com/errata/RHSA-2026:64770
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2479812
https://bugzilla.redhat.com/show_bug.cgi?id=2492329
https://bugzilla.redhat.com/show_bug.cgi?id=2502361
https://bugzilla.redhat.com/show_bug.cgi?id=2510892
https://bugzilla.redhat.com/show_bug.cgi?id=2513373
https://bugzilla.redhat.com/show_bug.cgi?id=2516731
https://bugzilla.redhat.com/show_bug.cgi?id=2517046
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_64770.json
https://access.redhat.com/security/cve/CVE-2026-43493
https://www.cve.org/CVERecord?id=CVE-2026-43493
https://nvd.nist.gov/vuln/detail/CVE-2026-43493
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-43493.mbox
https://access.redhat.com/security/cve/CVE-2026-53002
https://www.cve.org/CVERecord?id=CVE-2026-53002
https://nvd.nist.gov/vuln/detail/CVE-2026-53002
https://lore.kernel.org/linux-cve-announce/2026062447-CVE-2026-53002-8577@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-64007
https://www.cve.org/CVERecord?id=CVE-2026-64007
https://nvd.nist.gov/vuln/detail/CVE-2026-64007
https://lore.kernel.org/linux-cve-announce/2026071908-CVE-2026-64007-5e61@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-64563
https://www.cve.org/CVERecord?id=CVE-2026-64563
https://nvd.nist.gov/vuln/detail/CVE-2026-64563
https://lore.kernel.org/linux-cve-announce/2026080404-CVE-2026-64563-9d7f@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-68343
https://www.cve.org/CVERecord?id=CVE-2026-68343
https://nvd.nist.gov/vuln/detail/CVE-2026-68343
https://lore.kernel.org/linux-cve-announce/2026081037-CVE-2026-68343-843c@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-72129
https://www.cve.org/CVERecord?id=CVE-2026-72129
https://nvd.nist.gov/vuln/detail/CVE-2026-72129
https://lore.kernel.org/linux-cve-announce/2026081530-CVE-2026-72129-841e@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-74480
https://www.cve.org/CVERecord?id=CVE-2026-74480
https://nvd.nist.gov/vuln/detail/CVE-2026-74480
https://lore.kernel.org/linux-cve-announce/2026081536-CVE-2026-74480-e620@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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.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
0:4.18.0-553.160.1.rt7.501.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:64770.json"
RHSA-2026:64770 - OSV