CVE-2025-21956 | Linux Kernel up to 6.1.131/6.6.83/6.12.19/6.13.7 AMD Display normalized_pix_clk privilege escalation (EUVD-2025-9364 / Nessus ID 234309)
A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.1.131/6.6.83/6.12.19/6.13.7. Impacted is the function normalized_pix_clk of the component AMD Display. The manipulation leads to privilege escalation.
This vulnerability is documented as CVE-2025-21956. The attack requires being on the local network. There is not any exploit available.
It is advisable to upgrade the affected component.