CVE-2025-21461 Out-of-bounds Write in Camera_Linux

High 7.8 Published Updated

An out-of-bounds write in Qualcomm Snapdragon camera firmware allows attackers to execute arbitrary code or escalate privileges via virtual CDM register programming.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-21461?

CVE-2025-21461 is a high-severity memory corruption vulnerability in Qualcomm Fastconnect 6900 Firmware, published on 6 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory corruption when programming registers through virtual CDM.

Weakness: CWE-787

Which versions are affected by CVE-2025-21461?

It affects 24 products.

Products include Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Sm6650 Firmware, Qualcomm Sm7635 Firmware, Qualcomm Sm7675 Firmware, Qualcomm Sm7675p Firmware and 18 more.

How do I fix CVE-2025-21461?

No fix has been published for CVE-2025-21461 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-21461 being exploited?

There is no known exploitation of CVE-2025-21461 in the wild and no public exploit code.

All Qualcomm Fastconnect 6900 Firmware vulnerabilities

Sources

Also known as GHSA-6893-53p7-8g4q.

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