## filelock: SoftFileLock evicts a fresh lock file whose watched age another local user's pre-dated file passed on through inode reuse

- 種別: advisory
- 重大度: medium
- 関連技術: python
- CVE: CVE-2026-112906
- 公開日時: 2026-10-23T22:00:33.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-2g95-wg33-c5x2)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-2g95-wg33-c5x2

影響: pip:filelock >= 4.1.0, <= 4.2.0 → 4.2.1
SoftFileLock and MarkerSoftFileLock evict an unparsable marker (the lock file at , whose presence says a process holds the lock) once a waiting contender has watched it unchanged for two seconds. SoftFileLease expires a lease the same way. The watch tells two looks apart by the marker's modification time (mtime) and inode number (the kernel's identity for a file, independent of its name) alone. Another local user (the other user below) who can create files in the lock's directory, a sticky /tmp…