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RHSA-2026:50979
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Source
https://access.redhat.com/errata/RHSA-2026:50979
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:50979.json
JSON Data
https://api.osv.dev/v1/vulns/RHSA-2026:50979
Upstream
CVE-2025-54518
Published
2026-08-06T10:14:15Z
Modified
2026-08-06T10:45:33.755423811Z
Severity
7.0 (High)
CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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-2026:50979
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2477784
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_50979.json
https://access.redhat.com/security/cve/CVE-2025-54518
https://www.cve.org/CVERecord?id=CVE-2025-54518
https://nvd.nist.gov/vuln/detail/CVE-2025-54518
http://www.openwall.com/lists/oss-security/2026/05/12/15
http://xenbits.xen.org/xsa/advisory-490.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html
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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.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
0:4.18.0-553.153.1.rt7.494.el8_10
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:50979.json"
RHSA-2026:50979 - OSV