Debian 11 bullseye: DLA-4379-1 linux-6.1 Moderate Privilege Escalation
debian lts
November 25, 2025
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks
Summary
For Debian 11 bullseye, these problems have been fixed in version
6.1.158-1~deb11u1. This version additionally includes many more bug
fixes from stable updates 6.1.154-6.1.158.
We recommend that you upgrade your linux-6.1 packages.
For the detailed security status of linux-6.1 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/linux-6.1
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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Package: linux-6.1
Version: 6.1.158-1~deb11u1
CVE ID: CVE-2025-21861 CVE-2025-39929 CVE-2025-39931 CVE-2025-39934
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