CVE-2023-33021 Use After Free in Graphics
A use-after-free vulnerability in Qualcomm Graphics allows attackers to execute arbitrary code or escalate privileges via malicious command submission packets.
- 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-2023-33021?
CVE-2023-33021 is a high-severity use after free vulnerability in Qualcomm Apq8064au 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 Graphics while processing user packets for command submission.
Weakness: CWE-416
Which versions are affected by CVE-2023-33021?
It affects 168 products.
Products include Qualcomm Apq8064au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fastconnect 6200 Firmware and 162 more.
How do I fix CVE-2023-33021?
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-2023-33021 being exploited?
There is no known exploitation of CVE-2023-33021 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8064au Firmware
Sources
Also known as 3397562, A-285903020, ASB-A-285903020, GHSA-6m57-9wqh-pprq.