filelock has a TOCTOU race condition which allows symlink attacks during lock file creation

ImpactA 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 where filelock checks if a file exists before opening it with OTRUNC. An attacke...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in filelock-3.12.2-py3-none-any.whl

Summary IBM Watson Discovery Cartridge affected by vulnerability in filelock-3.12.2-py3-none-any.whl Vulnerability Details CVEID:CVE-2026-22701 DESCRIPTION: filelock is a platform-independent file lock for Python. Prior to version 3.20.3, a TOCTOU race condition vulnerability exists in the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990505)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990505 advisory. In the Linux kernel, the following vulnerability has been resolved: filelock: Fix fcntl/close race recovery compat path When I wrote commit 3cad1bc01041 filelock:...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix a use-after-free CVE-2022-48666 In the Linux kernel, the following vulnerability has been resolved: net: relax socket state check at accept time. CVE-2024-36484 In the Linux kernel, the following...