vulnerability
Arch Linux: Privilege escalation (CVE-2021-3560)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Feb 16, 2022 | Jul 11, 2025 | Nov 27, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Feb 16, 2022
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue was found in polkit before version 0.119. When a requesting process disconnects from dbus-daemon just before the call to polkit_system_bus_name_get_creds_sync starts, the process cannot get a unique uid and pid of the process and it cannot verify the privileges of the requesting process.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-3560
- https://attackerkb.com/topics/CVE-2021-3560
- URL-http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
- URL-http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
- URL-https://bugzilla.redhat.com/show_bug.cgi?id=1961710
- URL-https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/
- URL-https://security.archlinux.org/ASA-202106-24
- CWE-863
- CWE-754
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