CVE-2021-35126 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

High 8.4 Published 14 Jun 2022 Updated 4 Aug 2024

Attackers can exploit improper input validation in the DSP service to cause memory corruption, potentially leading to code execution or privilege escalation on Snapdragon devices.

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-2021-35126?

CVE-2021-35126 is a high-severity memory corruption vulnerability in Qualcomm Qam8295p Firmware, published on 14 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory corruption in DSP service due to improper validation of input parameters in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Weakness: CWE-129

Which versions are affected by CVE-2021-35126?

It affects 26 products.

Products include Qualcomm Qam8295p Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6696 Firmware, Qualcomm Qcm6490 Firmware, Qualcomm Qcs6490 Firmware, Qualcomm Sa8295p Firmware and 20 more.

How do I fix CVE-2021-35126?

No fix has been published for CVE-2021-35126 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-2021-35126 being exploited?

There is no known exploitation of CVE-2021-35126 in the wild and no public exploit code.

All Qualcomm Qam8295p Firmware vulnerabilities

Sources

Also known as GHSA-h755-jwww-48xw.