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Alerts This Week
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Debian 11 Linux-6.1 Privilege Escalation Denial of Service Alert DLA-4499-1

debian lts
Calendar Grey March 13, 2026
Dist Debian Esm H88
Critical vulnerabilities found in Debian LTS updated Linux kernel addressing privilege escalation and DoS threats.
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks
Topics%20covered

Topics Covered

security advisory denial of service information leak debian privilege escalation important

Summary

The Qualys Threat Research Unit (TRU) discovered several vulnerabilities
in Apparmor. Details can be found in the Qualys advisory at
https://www.qualys.com/2026/03/10/crack-armor.txt

For Debian 11 bullseye, these problems have been fixed in version
6.1.164-1~deb11u1. This version also fixes a regression in the
previous update. It additionally includes many more bug fixes from
stable updates 6.1.163 and 6.1.164.

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



Severity
important
Lowest
Low
Medium
High
Critical

Package: linux-6.1
Version: 6.1.164-1~deb11u1
CVE ID: CVE-2023-53424 CVE-2024-26822 CVE-2024-57895 CVE-2025-22026
Debian Bug: 1127597

Topics%20covered

Topics Covered

security advisory denial of service information leak debian privilege escalation important

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