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Resolution for Critical TOCTOU Vulnerability in SUSE Python-lockfile

suse
Calendar Grey January 29, 2026
Dist Suse Esm H88
SUSE security update for python-filelock addresses a moderate risk TOCTOU race condition vulnerability. Apply patch now.
An update that solves one vulnerability can now be installed.

Summary

## 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) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * Development Tools Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-335=1 * SUSE Package Hub 15 15-SP7 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-335=1 ## Package List: * Development Tools Module 15-SP7 (noarch) * python3-filelock-3.0.12-150100.3.9.1 * SUSE Package Hub 15 15-SP7 (noarch) * python3-filelock-3.0.12-150100.3.9.1

Topics%20covered

Topics Covered

security advisory moderate SuSE TOCTOU python-filelock filelock

References

* bsc#1256457

Cross-

* CVE-2026-22701

CVSS scores:

* CVE-2026-22701 ( SUSE ): 5.8

CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

* CVE-2026-22701 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-22701 ( NVD ): 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Affected Products:

* Development Tools Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

* SUSE Package Hub 15 15-SP7

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-22701.html

* https://bugzilla.suse.com/show_bug.cgi?id=1256457

Announcement ID: SUSE-SU-2026:0335-1
Release Date: 2026-01-29T10:15:43Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE TOCTOU python-filelock filelock

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