DEBIAN-CVE-2025-21965

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Source
https://security-tracker.debian.org/tracker/CVE-2025-21965
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-21965.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2025-21965
Upstream
Published
2025-04-01T16:15:27Z
Modified
2025-09-19T06:11:12Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl() If a BPF scheduler provides an invalid CPU (outside the nrcpuids range) as prevcpu to scxbpfselectcpudfl() it can cause a kernel crash. To prevent this, validate prevcpu in scxbpfselectcpudfl() and trigger an scx error if an invalid CPU is specified.

References

Affected packages

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.12.20-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.12.20-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}