CVE-2021-30334 Use after free in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

High 8.4 Published 14 Jun 2022 Updated 3 Aug 2024

A use-after-free vulnerability in Qualcomm Snapdragon DRM handling allows attackers to execute arbitrary code or escalate privileges.

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-2021-30334?

CVE-2021-30334 is a high-severity use after free vulnerability in Qualcomm Apq8009w 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

Possible use after free due to lack of null check of DRM file status after file structure is freed in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

Weakness: CWE-416

Which versions are affected by CVE-2021-30334?

It affects 131 products.

Products include Qualcomm Apq8009w Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware and 125 more.

How do I fix CVE-2021-30334?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-30334 being exploited?

There is no known exploitation of CVE-2021-30334 in the wild and no public exploit code.

All Qualcomm Apq8009w Firmware vulnerabilities

Sources

Also known as 2963049, 3052789, A-213239835, ASB-A-213239835, GHSA-c8qj-5qh7-99q4.