CVE-2023-33120 Use After Free in Audio
A use-after-free vulnerability in Qualcomm Snapdragon audio drivers allows attackers to execute arbitrary code or escalate privileges via consecutive memory map commands.
- 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-2023-33120?
CVE-2023-33120 is a high-severity use after free vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 2 Jan 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 when memory map command is executed consecutively in ADSP.
Weakness: CWE-416
Which versions are affected by CVE-2023-33120?
It affects 232 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm 9206 Lte Modem Firmware, Qualcomm Apq8017 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware and 226 more.
How do I fix CVE-2023-33120?
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-2023-33120 being exploited?
There is no known exploitation of CVE-2023-33120 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
- CVE-2023-33107 Qualcomm Multiple Chipsets Integer Overflow
- CVE-2023-33063 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2025-27034 Improper Validation of Array Index in Multi-Mode Call Processor
- CVE-2023-22388 Use of Out-of-range Pointer Offset in Multi-mode Call Processor
- CVE-2023-28578 Improper Input Validation in Services
Sources
Also known as 3538938, A-303101456, ASB-A-303101456, GHSA-mcqw-jc72-xrwr.