CVE-2023-21657 Improper Input Validation in Audio
Memory corruption in Qualcomm Snapdragon audio subsystem allows attackers to execute arbitrary code or escalate privileges via crafted ADSP input.
- 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-2023-21657?
CVE-2023-21657 is a high-severity memory corruption vulnerability in Qualcomm Csra6620 Firmware, published on 6 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memoru corruption in Audio when ADSP sends input during record use case.
Weakness: CWE-20
Which versions are affected by CVE-2023-21657?
It affects 126 products.
Products include Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Flight Rb5 5g Platform Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Qam8255p Firmware, Qualcomm Qam8295p Firmware and 120 more.
How do I fix CVE-2023-21657?
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-2023-21657 being exploited?
There is no known exploitation of CVE-2023-21657 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Csra6620 Firmware
- CVE-2025-27063 Use After Free in Video
- CVE-2024-49834 Improper Validation of Array Index in Camera
- CVE-2025-47334 Buffer Copy Without Checking Size of Input in Camera Driver
- CVE-2025-47344 Time-of-check Time-of-use (TOCTOU) Race Condition in Camera Driver
- CVE-2022-40533 Untrusted Pointer Dereference in Core
Sources
Also known as 3344305, A-271880369, ASB-A-271880369, GHSA-fp6g-5cm4-6g9x.