CVE-2024-43066 Use After Free in HLOS
A use-after-free vulnerability in Qualcomm Snapdragon allows attackers to execute arbitrary code or escalate privileges via file descriptor handling.
- 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-2024-43066?
CVE-2024-43066 is a high-severity use after free vulnerability in Qualcomm Csrb31024 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 handling file descriptor during listener registration/de-registration.
Weakness: CWE-416
Which versions are affected by CVE-2024-43066?
It affects 98 products.
Products include Qualcomm Csrb31024 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware and 92 more.
How do I fix CVE-2024-43066?
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-2024-43066 being exploited?
There is no known exploitation of CVE-2024-43066 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Csrb31024 Firmware
- CVE-2020-11236 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
- CVE-2020-11237 Null dereference in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
- CVE-2020-11273 Null dereference in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
- CVE-2023-28572 Buffer Over-read in WLAN HOST
- CVE-2020-11186 Denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as 3731804, A-372003347, ASB-A-372003347, GHSA-5x2r-rgf5-p2pp.