CVE-2025-21424 Use After Free in NPU
Concurrent NPU driver API calls cause a use-after-free, potentially allowing attackers to execute 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-2025-21424?
CVE-2025-21424 is a high-severity use after free vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 3 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption while calling the NPU driver APIs concurrently.
Weakness: CWE-416
Which versions are affected by CVE-2025-21424?
It affects 239 products.
Products include Qualcomm 215 Firmware, Qualcomm 315 5g Iot Modem Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm C-V2x 9150 Firmware and 233 more.
How do I fix CVE-2025-21424?
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-2025-21424 being exploited?
There is no known exploitation of CVE-2025-21424 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
- CVE-2024-53014 Improper Validation of Array Index in Audio
- CVE-2023-22386 Buffer Copy Without Checking Size of Input in WLAN HOST
- CVE-2023-24854 Stack-based Buffer Overflow in WLAN HOST
- CVE-2019-2248 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- CVE-2018-11922 Configurations in Android Build
Sources
Also known as 3989614, A-406236621, ASB-A-406236621, GHSA-q98w-g5j8-3x6h.