CVE-2023-43543 Use After Free in Audio
A race condition in Qualcomm Snapdragon audio drivers allows attackers to trigger a use-after-free, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-43543?
CVE-2023-43543 is a medium-severity use after free vulnerability in Qualcomm Qam8255p Firmware, published on 3 Jun 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption in Audio during a playback or a recording due to race condition between allocation and deallocation of graph object.
Weakness: CWE-416
Which versions are affected by CVE-2023-43543?
It affects 16 products.
Products include Qualcomm Qam8255p Firmware, Qualcomm Qam8775p Firmware, Qualcomm Qca6584au Firmware, Qualcomm Qca6698aq Firmware, Qualcomm Sa8255p Firmware, Qualcomm Sa8770p Firmware and 10 more.
How do I fix CVE-2023-43543?
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-2023-43543 being exploited?
There is no known exploitation of CVE-2023-43543 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Qam8255p Firmware
Sources
Also known as 3555530, A-314786138, GHSA-95ch-8j4p-q55m, PUB-A-314786138.