Insecure Temporary File Vulnerability in openSUSE sdbootutil

CVE-2026-25701

What is CVE-2026-25701?

An Insecure Temporary File vulnerability in openSUSE sdbootutil allows local users to create directories that can lead to unauthorized access to sensitive information in /var/lib/pcrlock.d. This flaw also enables users to manipulate backup data in /tmp/pcrlock.d.bak, potentially compromising the integrity of restored data. Additionally, it permits overwriting protected system files through symlinks in the directory tree, further endangering system security.

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References