CVE-2021-26410 Information disclosure in AMD Radeon™ PRO V520

Low 1.8 Published Updated

An attacker can infer kernel memory contents via improper syscall validation in the AMD Secure Processor, leading to information disclosure.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-26410?

CVE-2021-26410 is a low-severity vulnerability in AMD Radeon™ PRO V520, published on 10 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper syscall input validation in ASP (AMD Secure Processor) may force the kernel into reading syscall parameter values from its own memory space allowing an attacker to infer the contents of the kernel memory leading to potential information disclosure.

Weakness: CWE-822

Which versions are affected by CVE-2021-26410?

How do I fix CVE-2021-26410?

No fix has been published for CVE-2021-26410 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-26410 being exploited?

There is no known exploitation of CVE-2021-26410 in the wild and no public exploit code.

Sources

Also known as GHSA-58jp-cg46-mwcw.

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