DEBIAN-CVE-2025-21965

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Source

https://security-tracker.debian.org/tracker/DEBIAN-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

CVE-2025-21965

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

https://security-tracker.debian.org/tracker/CVE-2025-21965

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"
}