CVE-2021-35068 Null dereference in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

High 8.4 Published 11 Feb 2022 Updated 4 Aug 2024

A missing null check in the Bluetooth HFP protocol allows attackers to cause a denial of service via a NULL pointer dereference on Qualcomm Snapdragon devices.

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-2021-35068?

CVE-2021-35068 is a high-severity vulnerability in Qualcomm Apq8009w 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

Lack of null check while freeing the device information buffer in the Bluetooth HFP protocol can lead to a NULL pointer dereference in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

Weakness: CWE-476

Which versions are affected by CVE-2021-35068?

It affects 100 products.

Products include Qualcomm Apq8009w Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Msm8909w Firmware and 94 more.

How do I fix CVE-2021-35068?

Apply the vendor's patch.

Is CVE-2021-35068 being exploited?

There is no known exploitation of CVE-2021-35068 in the wild and no public exploit code.

All Qualcomm Apq8009w Firmware vulnerabilities

Sources

Also known as 2982971, A-202025798, ASB-A-202025798, GHSA-5x7h-3m5j-hrpm.