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{"bugzilla": {"description": "frr: FRRouting FRR: Privilege escalation via TOCTOU race condition", "id": "2532800", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532800"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-367", "details": ["A flaw was found in FRRouting FRR. A local service user can exploit a Time-of-check to time-of-use (TOCTOU) race condition by monitoring the configuration directory and replacing configuration files with symbolic links during their creation. This manipulation allows the user to change the ownership of arbitrary files. This can lead to privilege escalation, allowing the service user to gain root privileges."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2022-42917", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10::fastdatapath", "fix_state": "Not affected", "package_name": "frr", "product_name": "Fast Datapath for RHEL 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "frr", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "frr", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "frr", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "frr10", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-42917\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-42917\nhttps://bugzilla.suse.com/show_bug.cgi?id=1204124\nhttps://frrouting.org/security/cve-2022-42917/\nhttps://github.com/FRRouting/frr/commit/972cdc560e339d70c0ee5fb70ec636ab78f00bca\nhttps://github.com/FRRouting/frr/compare/frr-8.4...frr-8.5"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,4.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "FRRouting", "source": "cna", "vendor": "FRRouting"}, "product": "frrouting", "vendor": "frrouting"}], "created": "2026-09-14T01:15:17.226843+00:00", "title": "Privilege Escalation via TOCTOU in FRRouting Configuration Directory", "updated": "2026-09-14T14:00:05.212591+00:00", "vendors": ["frrouting", "frrouting$PRODUCT$frrouting"]}