CVE-2025-21453 Use After Free in GPS HLOS Driver

High 7.8 Published Updated

A use-after-free flaw in the Qualcomm GPS driver allows attackers to execute arbitrary code or escalate privileges 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-2025-21453?

CVE-2025-21453 is a high-severity use after free vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 6 May 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 a data structure, when an iterator is accessed after it has been removed, potential failures occur.

Weakness: CWE-416

Which versions are affected by CVE-2025-21453?

It affects 266 products.

Products include Qualcomm 205 Mobile Firmware, Qualcomm 215 Mobile Firmware, Qualcomm 315 5g Iot Modem Firmware, Qualcomm Apq8017 Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware and 260 more.

How do I fix CVE-2025-21453?

Apply the vendor's patch.

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-2025-21453 being exploited?

There is no known exploitation of CVE-2025-21453 in the wild and no public exploit code.

All Qualcomm 315 5g Iot Modem Firmware vulnerabilities

Sources

Also known as 3886536, A-394100452, ASB-A-394100452, GHSA-hh2j-g84c-6hvv.

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