CVE-2022-40520 Stack based buffer overflow in Core
A stack-based buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-40520?
CVE-2022-40520 is a high-severity memory corruption vulnerability in Qualcomm Apq8064au Firmware, published on 6 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption due to stack-based buffer overflow in Core
Weakness: CWE-787
Which versions are affected by CVE-2022-40520?
It affects 147 products.
Products include Qualcomm Apq8064au Firmware, Qualcomm Apq8096au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csrb31024 Firmware, Qualcomm Fsm10056 Firmware and 141 more.
How do I fix CVE-2022-40520?
No fix has been published for CVE-2022-40520 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-40520 being exploited?
There is no known exploitation of CVE-2022-40520 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8064au Firmware
Sources
Also known as GHSA-gmmh-m76r-369x.