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CVE-2025-47397 Improper Release of Memory Before Removing Last Reference in Graphics

High 7.8 Published Updated

Attackers can exploit unchecked IOMMU mapping errors in GPU memory mapping to cause memory corruption, potentially leading to code execution or privilege escalation on Android devices.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2025-47397?

CVE-2025-47397 is a high-severity memory corruption vulnerability in Qualcomm Ar8031 Firmware, published on 2 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory Corruption when initiating GPU memory mapping using scatter-gather lists due to unchecked IOMMU mapping errors.

Weakness: CWE-401

Which versions are affected by CVE-2025-47397?

It affects 147 products.

Products include Qualcomm Ar8031 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware and 141 more.

How do I fix CVE-2025-47397?

Apply the vendor's patch.

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

Is CVE-2025-47397 being exploited?

There is no known exploitation of CVE-2025-47397 in the wild and no public exploit code.

All Qualcomm Ar8031 Firmware vulnerabilities

Sources

Also known as 4205207, A-457747735, ASB-A-457747735, GHSA-5x4f-4rc3-fxcx.

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