CVE-2025-21437 Use After Free in Automotive Linux OS

High 7.8 Published Updated

Attackers can exploit a use-after-free flaw in Qualcomm Snapdragon Automotive Linux OS to execute arbitrary code or escalate privileges.

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-2025-21437?

CVE-2025-21437 is a high-severity use after free vulnerability in Qualcomm Qam8255p Firmware, published on 7 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory corruption while processing memory map or unmap IOCTL operations simultaneously.

Weakness: CWE-416

Which versions are affected by CVE-2025-21437?

It affects 31 products.

Products include Qualcomm Qam8255p Firmware, Qualcomm Qam8295p Firmware, Qualcomm Qam8620p Firmware, Qualcomm Qam8650p Firmware, Qualcomm Qam8775p Firmware, Qualcomm Qamsrv1h Firmware and 25 more.

How do I fix CVE-2025-21437?

No fix has been published for CVE-2025-21437 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2025-21437 being exploited?

There is no known exploitation of CVE-2025-21437 in the wild and no public exploit code.

All Qualcomm Qam8255p Firmware vulnerabilities

Sources

Also known as GHSA-f55p-fqh6-jjmf.

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