CVE-2021-30353 Denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

High 7.5 Published 13 Jan 2022 Updated 3 Aug 2024

Improper function pointer validation in Qualcomm Snapdragon firmware can cause an assertion failure, leading to a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-30353?

CVE-2021-30353 is a high-severity denial of service vulnerability in Qualcomm Ar8031 Firmware, published on 13 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper validation of function pointer type with actual function signature can lead to assertion in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

Weakness: CWE-617

Which versions are affected by CVE-2021-30353?

It affects 110 products.

Products include Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fsm10055 Firmware, Qualcomm Fsm10056 Firmware and 104 more.

How do I fix CVE-2021-30353?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-30353 being exploited?

There is no known exploitation of CVE-2021-30353 in the wild and no public exploit code.

All Qualcomm Ar8031 Firmware vulnerabilities

Sources

Also known as 2993069, A-202025599, ASB-A-202025599, GHSA-wx84-5mw2-8vx6.