Time-of-check Time-of-use (TOCTOU) Race Condition

Overview Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition during lock file creation. An attacker can corrupt or truncate arbitrary files by exploiting a race condition between the existence check and file opening with OTRUNC, allowing the creatio...

CVE-2025-68146 filelock has TOCTOU race condition that allows symlink attacks during lock file creation

filelock is a platform-independent file lock for Python. In versions prior to 3.20.1, a Time-of-Check-Time-of-Use TOCTOU race condition allows local attackers to corrupt or truncate arbitrary user files through symlink attacks. The vulnerability exists in both Unix and Windows lock file creation...

CVE-2025-68146 filelock has TOCTOU race condition that allows symlink attacks during lock file creation

filelock is a platform-independent file lock for Python. In versions prior to 3.20.1, a Time-of-Check-Time-of-Use TOCTOU race condition allows local attackers to corrupt or truncate arbitrary user files through symlink attacks. The vulnerability exists in both Unix and Windows lock file creation...

CVE-2025-68146

CVE-2025-68146 affects the Python filelock package. A TOCTOU race in lock file creation allows local attackers with filesystem access to exploit symlinks and truncate target files. The vulnerability exists in UnixFileLock and WindowsFileLock for versions before 3.20.1; an attacker can create a sy...

X.Org multiple security vulnerabilities

Memory corruprions, insecure lock file creation...

CVE-2010-0791

The 1 ncpmount, 2 ncpumount, and 3 ncplogin programs in ncpfs 2.2.6 do not properly create lock files, which allows local users to cause a denial of service application failure via unspecified vectors that trigger the creation of a /etc/mtab file that persists after the program exits...

Qualcomm qpopper 2.53/3.0 / RedHat imap 4.5 -4 / UoW imap 4.5 popd - Lock File Denial of Service

source: https://www.securityfocus.com/bid/1132/info Vulnerabilities exist in a number of pop3 daemon implementations, having to do with their creation of lock files. Affected include Qualcomm's qpopper, and the popd included as part of the imap-4 rpm from RedHat. Lockfiles in both implementation...