CVE-2023-21672 Use After Free in Audio
A use-after-free vulnerability in Android Audio allows attackers to execute arbitrary code or escalate privileges via concurrent tunnel playback or recording sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21672?
CVE-2023-21672 is a high-severity use after free vulnerability in Qualcomm Fastconnect 6700 Firmware, published on 4 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption in Audio while running concurrent tunnel playback or during concurrent audio tunnel recording sessions.
Weakness: CWE-416
Which versions are affected by CVE-2023-21672?
It affects 57 products.
Products include Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qam8255p Firmware, Qualcomm Qam8295p Firmware, Qualcomm Qam8650p Firmware and 51 more.
How do I fix CVE-2023-21672?
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-2023-21672 being exploited?
There is no known exploitation of CVE-2023-21672 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6700 Firmware
- CVE-2024-43047 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2023-21671 Improper Input Validation in Core
- CVE-2024-21464 Buffer Copy Without Checking Size of Input in Data Network Stack & Connectivity
- CVE-2024-33047 Buffer Over-read in Display
- CVE-2024-23360 Improper Access Control in Graphics Windows
Sources
Also known as 3313322, A-276751075, ASB-A-276751075, GHSA-32pq-c6vh-9cq5.