CVE-2021-35106 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

High 7.8 Published 1 Apr 2022 Updated 4 Aug 2024

An out-of-bounds read in Qualcomm Snapdragon firmware allows attackers to read memory or cause a denial of service via crafted WMI messages.

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-2021-35106?

CVE-2021-35106 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 1 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible out of bound read due to improper length calculation of WMI message. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Weakness: CWE-125

Which versions are affected by CVE-2021-35106?

It affects 112 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Csrb31024 Firmware and 106 more.

How do I fix CVE-2021-35106?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-35106 being exploited?

There is no known exploitation of CVE-2021-35106 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as 3035196, A-209481028, ASB-A-209481028, GHSA-fr4q-w8rj-pp3h.