[ GLSA 202107-31 ] polkit

[GLSA]

Gentoo Linux Security Advisory

Title: polkit: Privilege escalation (GLSA 202107-31)
Severity: high
Exploitable: local
Date: 2021-07-13
Bug(s): #794052
ID: 202107-31

Synopsis

A vulnerability in polkit could lead to local root privilege
escalation.


Background

polkit is a toolkit for managing policies related to unprivileged
processes communicating with privileged process.


Affected Packages

Package: sys-auth/polkit
Vulnerable: < 0.119
Unaffected: >= 0.119
Architectures: All supported architectures


Description

The function polkit_system_bus_name_get_creds_sync() was called without
checking for error, and as such temporarily treats the authentication
request as coming from root.


Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All polkit users should upgrade to the latest version: