CVE-2026-35354

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{}

{"affected": [{"configurations": [{"platform": ["linux", "unix", "macos"], "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "coreutils", "source": "cna", "vendor": "Uutils"}, "product": "coreutils", "vendor": "uutils"}], "analysis": {"en": {"generated_at": "2026-04-28T15:20:47.392469+00:00", "value": {"mitigation_remediation": ["Apply the latest uutils coreutils update or the vendor\u2011supplied patch that fixes the TOCTOU race condition.", "If an update is not immediately available, restrict write permissions on the involved directories to prevent local attackers from modifying the target during the move.", "Enable auditing or logging of extended attribute changes to detect unexpected mixes and review logs regularly."], "summary": {"action": "Assess Impact", "impact": "Inconsistent security attributes potentially enabling privilege escalation"}, "threat_synthesis": {"affected_systems": "All releases of the uutils coreutils mv command are potentially affected. No specific version range is provided, so any installed instance should be treated as vulnerable until an official patch or update is available.", "description_and_impact": "The mv utility in uutils coreutils contains a Time\u2011of\u2011Check to Time\u2011of\u2011Use race that allows a local attacker with write access to a directory to swap files during a cross\u2011device move. The bug causes the destination file to receive an inconsistent mix of extended attributes such as SELinux labels or file capabilities. This flaw is a classic TOCTOU problem (CWE\u2011367), which can enable privilege escalation or bypass of security controls by tampering with these attributes.", "risk_and_exploitability": "The CVSS score of 4.7 indicates moderate severity, and the EPSS score is 0.0001, indicating a very low exploitation probability; the vulnerability is not listed in the CISA KEV catalog. Exploitation requires a local attacker who can write to the directory involved in the cross\u2011device move. If such access exists, the attacker can swap files during the move, resulting in the destination file inheriting a mixed set of security attributes that may allow unauthorized access or execute actions with elevated privileges."}}}}, "created": "2026-04-27T19:54:29.974471+00:00", "updated": "2026-04-28T15:30:34.817356+00:00", "vendors": ["uutils", "uutils$PRODUCT$coreutils"]}