CVE-2023-21666 Improper Release of Memory Before Removing Last Reference (`Memory Leak`) in Graphics
A memory corruption vulnerability in Qualcomm Snapdragon graphics allows attackers to cause denial of service or execute arbitrary code.
- 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-2023-21666?
CVE-2023-21666 is a high-severity memory corruption vulnerability in Qualcomm Flight Rb5 5g Platform Firmware, published on 2 May 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 accessing a buffer allocated through the graphics pool.
Weakness: CWE-401
Which versions are affected by CVE-2023-21666?
It affects 165 products.
Products include Qualcomm 8905 Firmware, Qualcomm 8909 Firmware, Qualcomm 8917 Firmware, Qualcomm 8953 Firmware, Qualcomm 8953pro Firmware, Qualcomm 8998 Firmware and 159 more.
How do I fix CVE-2023-21666?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-21666 being exploited?
There is no known exploitation of CVE-2023-21666 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Flight Rb5 5g Platform Firmware
All Qualcomm Flight Rb5 5g Platform Firmware vulnerabilities
Sources
Also known as 3400780, A-271879644, ASB-A-271879644, GHSA-pwqv-pfwc-3854.