CVE-2021-35069 Integer overflow in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

High 7.8 Published 11 Feb 2022 Updated 4 Aug 2024

Improper validation of DMA buffer data length allows memory corruption, potentially enabling code execution or privilege escalation on Qualcomm Snapdragon devices.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2021-35069?

CVE-2021-35069 is a high-severity vulnerability in Qualcomm Apq8096au Firmware, published on 11 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper validation of data length received from DMA buffer can lead to memory corruption. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-190

Which versions are affected by CVE-2021-35069?

It affects 191 products.

Products include Qualcomm Apq8096au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware and 185 more.

How do I fix CVE-2021-35069?

Apply the vendor's patch.

Is CVE-2021-35069 being exploited?

There is no known exploitation of CVE-2021-35069 in the wild and no public exploit code.

All Qualcomm Apq8096au Firmware vulnerabilities

Sources

Also known as 3001191, A-203032261, ASB-A-203032261, GHSA-f3r9-252v-p78r.