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Debian 11 Linux-6.1 Privilege Escalation Denial of Service Alert DLA-4499

Debian 11 Linux-6.1 Privilege Escalation Denial of Service Alert DLA-4499

Linuxsecurity •LinuxSecurity Advisories • March 13, 2026

The Qualys Threat Research Unit (TRU) discovered several vulnerabilities in Apparmor. Details can be found in the Qualys advisory at For Debian 11 bullseye, these problems have been fixed in version 6.1.164-1~deb11u1. This version also fixes a regression in the 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: Further information Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at:

The Qualys Threat Research Unit (TRU) discovered several vulnerabilities in Apparmor. Details can be found in the Qualys advisory at For Debian 11 bullseye, these problems have been fixed in version 6.1.164-1~deb11u1. This version also fixes a regression in the 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: Further information Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at:

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