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SUSE-SU-2026:0335-1

Опубликовано: 29 янв. 2026
Источник: suse-cvrf

Описание

Security update for python-filelock

This update for python-filelock fixes the following issues:

  • CVE-2026-22701: Fixed TOCTOU race condition in SoftFileLock implementation of he filelock package (bsc#1256457)

Список пакетов

SUSE Linux Enterprise Module for Development Tools 15 SP7
python3-filelock-3.0.12-150100.3.9.1
SUSE Linux Enterprise Module for Package Hub 15 SP7
python3-filelock-3.0.12-150100.3.9.1

Ссылки

Описание

filelock is a platform-independent file lock for Python. Prior to version 3.20.3, a TOCTOU race condition vulnerability exists in the SoftFileLock implementation of the filelock package. An attacker with local filesystem access and permission to create symlinks can exploit a race condition between the permission validation and file creation to cause lock operations to fail or behave unexpectedly. The vulnerability occurs in the _acquire() method between raise_on_not_writable_file() (permission check) and os.open() (file creation). During this race window, an attacker can create a symlink at the lock file path, potentially causing the lock to operate on an unintended target file or leading to denial of service. This issue has been patched in version 3.20.3.

Затронутые продукты
SUSE Linux Enterprise Module for Development Tools 15 SP7:python3-filelock-3.0.12-150100.3.9.1
SUSE Linux Enterprise Module for Package Hub 15 SP7:python3-filelock-3.0.12-150100.3.9.1
Ссылки