Fedora Linux 8577 Published by

A polkit security update has been released for Fedora 35.



SECURITY: Fedora 35 Update: polkit-0.120-1.fc35.1


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Fedora Update Notification
FEDORA-2022-da040e6b94
2022-01-26 18:39:49.375628
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Name : polkit
Product : Fedora 35
Version : 0.120
Release : 1.fc35.1
URL :   http://www.freedesktop.org/wiki/Software/polkit
Summary : An authorization framework
Description :
polkit is a toolkit for defining and handling authorizations. It is
used for allowing unprivileged processes to speak to privileged
processes.

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Update Information:

pkexec: argv overflow results in local privilege esc.
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ChangeLog:

* Tue Jan 25 2022 Jan Rybar - 0.120-1.1
- pkexec: argv overflow results in local privilege esc.
- Resolves: CVE-2021-4034
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References:

[ 1 ] Bug #2045563 - CVE-2021-4034 polkit: Local privilege escalation in pkexec due to incorrect handling of argument vector [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=2045563
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-da040e6b94' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys
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