CVE-2023-21664 Buffer Copy without Checking the Size of Input(Classic Buffer Overflow) in Core Platform
A buffer overflow in the Qualcomm Snapdragon core platform allows attackers to execute arbitrary code or escalate privileges via log printing.
- 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-2023-21664?
CVE-2023-21664 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 5 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption in Core Platform while printing the response buffer in log.
Which versions are affected by CVE-2023-21664?
It affects 137 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Fsm10056 Firmware, Qualcomm Ipq5010 Firmware, Qualcomm Ipq5018 Firmware, Qualcomm Ipq5028 Firmware and 131 more.
How do I fix CVE-2023-21664?
No fix has been published for CVE-2023-21664 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-21664 being exploited?
There is no known exploitation of CVE-2023-21664 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
- CVE-2025-21479 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2025-21480 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2023-28562 Buffer Copy Without Checking Size of Input in QESL
- CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
- CVE-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as GHSA-rf7x-m444-39m4.