CVE-2022-42917EPSS p2.2%

CVE-2022-42917CVE-2022-42917

Description

In FRRouting FRR before 8.5, the service user (usually frr) can escalate its privileges to root by monitoring the configuration directory (/etc/frr) and replacing config files upon creation with, for example, symlinks to change the ownership of arbitrary files. This is a TOCTOU Race Condition caused by a combination of touch and chown.

Scoring

CVSS 6.7 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS0.13% probability of exploitation · percentile 2.2% · 2026-10-05T12:00:23Z
Last modified2026-09-22
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.