CVE-2023-21643 Untrusted Pointer Dereference in Automotive

Critical 9.1 Published 8 Aug 2023 Updated 2 Aug 2024

An attacker can exploit untrusted pointer dereference in Qualcomm Snapdragon automotive firmware to achieve memory corruption and potential code execution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-21643?

CVE-2023-21643 is a critical memory corruption vulnerability in Qualcomm Apq8064au Firmware, published on 8 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Memory corruption due to untrusted pointer dereference in automotive during system call.

Weakness: CWE-787, CWE-822

Which versions are affected by CVE-2023-21643?

It affects 24 products.

Products include Qualcomm Apq8064au Firmware, Qualcomm Apq8096au Firmware, Qualcomm Msm8996au Firmware, Qualcomm Qam8295p Firmware, Qualcomm Qca6564a Firmware, Qualcomm Qca6564au Firmware and 18 more.

How do I fix CVE-2023-21643?

No fix has been published for CVE-2023-21643 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-2023-21643 being exploited?

There is no known exploitation of CVE-2023-21643 in the wild and no public exploit code.

All Qualcomm Apq8064au Firmware vulnerabilities

Sources

Also known as GHSA-j76c-qgq3-wxc9.