The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/uutils/coreutils/issues/10019 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/uutils/coreutils/issues/10019 Exploit, Issue Tracking, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.3 · uutilsNVD modified 2026-10-26 21:10
Affected (CPE criteria) 1
cpe:2.3:a:uutils:coreutils:-:*:*:*:*:rust:*:*
References 2
- https://github.com/uutils/coreutils/issues/10019 Exploit, Issue Tracking, Vendor Advisory
- https://github.com/uutils/coreutils/issues/10019 Exploit, Issue Tracking, Vendor Advisory