vulnerability

Arch Linux: Denial of service (CVE-2021-4115)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Feb 21, 2022
Added
Jul 11, 2025
Modified
Mar 25, 2026

Description

There is a file descriptor leak in polkit, which can enable an unprivileged user to cause polkit to crash, due to file descriptor exhaustion.

Solution

arch-linux-upgrade-latest

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

    The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.