Debian 9817 Published by

A policykit-1 security update has been released for Debian GNU/Linux 9 LTS to address a local privilege escalation in PolicyKit's pkexec.

DLA 2899-1: policykit-1 security update

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Debian LTS Advisory DLA-2899-1 Salvatore Bonaccorso
January 25, 2022
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Package : policykit-1
Version : 0.105-18+deb9u2
CVE ID : CVE-2021-4034

The Qualys Research Labs discovered a local privilege escalation in
PolicyKit's pkexec.

Details can be found in the Qualys advisory at

For Debian 9 stretch, this problem has been fixed in version

We recommend that you upgrade your policykit-1 packages.

For the detailed security status of policykit-1 please refer to its
security tracker page at:

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: