CVE-2026-25701

Insecure Temporary File (CWE-377)

2026-02-25 meissner@suse.de

Information Disclosure

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 25, 2026 - 12:16 nvd

N/A

DescriptionCVE.org

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.

AnalysisAI

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.

Technical ContextAI

Classified as CWE-377 (Insecure Temporary File). Affects openSUSE sdbootutil. 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