CVE-2026-25701 – openSUSE sdbootutil Temporary File Insecure Directory Creation Vulnerability

CVE ID : CVE-2026-25701

Published : Feb. 25, 2026, 12:16 p.m. | 52 minutes ago

Description : An Insecure Temporary File vulnerability in openSUSE sdbootutil allows local users to pre-create a directory to achieve various effects like:
* gain access to possible private information found in /var/lib/pcrlock.d
* manipulate the data backed up in /tmp/pcrlock.d.bak, therefore violating the integrity of the data should it be restored.
*  overwrite protected system files with data from /var/lib/pcrlock.d by placing symlinks to existing files in the directory tree in /tmp/pcrlock.d.bak.

This issue affects sdbootutil: from ? before 5880246d3a02642dc68f5c8cb474bf63cdb56bca.

Severity: 7.0 | HIGH

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