Rapid7

vulnerability

Arch Linux: Permission Race Condition During Resource Copy (CVE-2025-40909)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
May 30, 2025
Added
Jul 11, 2025
Modified
Apr 3, 2026

Description

A flaw was found in the Perl standard library threads component. This vulnerability can allow a local attacker to exploit a race condition in directory handling to access files or load code from unexpected locations.

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.