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Debian Security Advisory DSA-5059-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
January 25, 2022                      https://www.debian.org/security/faq
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Package        : policykit-1
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
https://www.qualys.com/2022/01/25/cve-2021-4034/pwnkit.txt

For the oldstable distribution (buster), this problem has been fixed
in version 0.105-25+deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 0.105-31+deb11u1.

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:
https://security-tracker.debian.org/tracker/policykit-1

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org