Vulnerability · Published Feb 25, 2026 · Assigned by suse
CVE-2026-25701
High 7.0
In plain English
A high-severity security flaw in sdbootutil from openSUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| openSUSE | sdbootutil | ? – before 5880246d3a02642dc68f5c8cb474bf63cdb56bca |
Weakness: CWE-377 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N