MEDIUM 6.7 NVD
CVE-2022-42917
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 replaci
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.
References
- https://bugzilla.suse.com/show_bug.cgi?id=1204124
- https://frrouting.org/security/cve-2022-42917/
- https://github.com/FRRouting/frr/commit/972cdc560e339d70c0ee5fb70ec636ab78f00bca
- https://github.com/FRRouting/frr/compare/frr-8.4...frr-8.5
This medium severity vulnerability with a CVSS score of 6.7 was published on 2026-09-14 via NVD.
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