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RHSA-2026:57254
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Source
https://access.redhat.com/errata/RHSA-2026:57254
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:57254.json
JSON Data
https://api.test.osv.dev/v1/vulns/RHSA-2026:57254
Upstream
CVE-2024-56602
CVE-2026-46120
CVE-2026-52991
CVE-2026-53189
CVE-2026-63887
CVE-2026-63888
CVE-2026-64048
CVE-2026-64379
CVE-2026-68388
Published
2026-08-20T10:20:11Z
Modified
2026-08-20T10:32:49.920251327Z
Severity
7.1 (High)
CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS Calculator
Summary
Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update
Details
References
https://access.redhat.com/errata/RHSA-2026:57254
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2334501
https://bugzilla.redhat.com/show_bug.cgi?id=2482614
https://bugzilla.redhat.com/show_bug.cgi?id=2492403
https://bugzilla.redhat.com/show_bug.cgi?id=2492788
https://bugzilla.redhat.com/show_bug.cgi?id=2502443
https://bugzilla.redhat.com/show_bug.cgi?id=2502447
https://bugzilla.redhat.com/show_bug.cgi?id=2502589
https://bugzilla.redhat.com/show_bug.cgi?id=2507135
https://bugzilla.redhat.com/show_bug.cgi?id=2513470
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_57254.json
https://access.redhat.com/security/cve/CVE-2024-56602
https://www.cve.org/CVERecord?id=CVE-2024-56602
https://nvd.nist.gov/vuln/detail/CVE-2024-56602
https://lore.kernel.org/linux-cve-announce/2024122703-CVE-2024-56602-d030@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-46120
https://www.cve.org/CVERecord?id=CVE-2026-46120
https://nvd.nist.gov/vuln/detail/CVE-2026-46120
https://lore.kernel.org/linux-cve-announce/2026052815-CVE-2026-46120-1a01@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-52991
https://www.cve.org/CVERecord?id=CVE-2026-52991
https://nvd.nist.gov/vuln/detail/CVE-2026-52991
https://lore.kernel.org/linux-cve-announce/2026062444-CVE-2026-52991-18fe@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-53189
https://www.cve.org/CVERecord?id=CVE-2026-53189
https://nvd.nist.gov/vuln/detail/CVE-2026-53189
https://lore.kernel.org/linux-cve-announce/2026062557-CVE-2026-53189-1b4a@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-63887
https://www.cve.org/CVERecord?id=CVE-2026-63887
https://nvd.nist.gov/vuln/detail/CVE-2026-63887
https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63887-cf4b@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-63888
https://www.cve.org/CVERecord?id=CVE-2026-63888
https://nvd.nist.gov/vuln/detail/CVE-2026-63888
https://lore.kernel.org/linux-cve-announce/2026071940-CVE-2026-63888-a5d6@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-64048
https://www.cve.org/CVERecord?id=CVE-2026-64048
https://nvd.nist.gov/vuln/detail/CVE-2026-64048
https://lore.kernel.org/linux-cve-announce/2026071907-CVE-2026-64048-a8e3@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-64379
https://www.cve.org/CVERecord?id=CVE-2026-64379
https://nvd.nist.gov/vuln/detail/CVE-2026-64379
https://lore.kernel.org/linux-cve-announce/2026072525-CVE-2026-64379-242b@gregkh/T
https://access.redhat.com/security/cve/CVE-2026-68388
https://www.cve.org/CVERecord?id=CVE-2026-68388
https://nvd.nist.gov/vuln/detail/CVE-2026-68388
https://lore.kernel.org/linux-cve-announce/2026081046-CVE-2026-68388-0434@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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.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
0:4.18.0-553.157.1.rt7.498.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:57254.json"
RHSA-2026:57254 - OSV