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RHSA-2026:78843
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Source
https://access.redhat.com/errata/RHSA-2026:78843
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:78843.json
JSON Data
https://api.osv.dev/v1/vulns/RHSA-2026:78843
Upstream
CVE-2025-40026
Published
2026-10-10T10:22:33Z
Modified
2026-10-10T10:35:28Z
Severity
5.5 (Medium)
CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS Calculator
Summary
Red Hat Security Advisory: kernel-rt security update
Details
References
https://access.redhat.com/errata/RHSA-2026:78843
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2406712
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_78843.json
https://access.redhat.com/security/cve/CVE-2025-40026
https://www.cve.org/CVERecord?id=CVE-2025-40026
https://nvd.nist.gov/vuln/detail/CVE-2025-40026
https://lore.kernel.org/linux-cve-announce/2025102841-CVE-2025-40026-760b@gregkh/T
Affected packages
Red Hat:rhel_extras_rt_els:7
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
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.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
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.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
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.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
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.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
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.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
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.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
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.json"
kernel-rt-doc
Package
Name
kernel-rt-doc
Purl
pkg:rpm/redhat/kernel-rt-doc
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.json"
kernel-rt-trace
Package
Name
kernel-rt-trace
Purl
pkg:rpm/redhat/kernel-rt-trace
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.json"
kernel-rt-trace-debuginfo
Package
Name
kernel-rt-trace-debuginfo
Purl
pkg:rpm/redhat/kernel-rt-trace-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.json"
kernel-rt-trace-devel
Package
Name
kernel-rt-trace-devel
Purl
pkg:rpm/redhat/kernel-rt-trace-devel
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:3.10.0-1160.165.1.rt56.1317.el7
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:78843.json"
RHSA-2026:78843 - OSV