CVE-2021-30324 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Medium 6.7 Published 11 Feb 2022 Updated 3 Aug 2024

Out-of-bounds write in Qualcomm Snapdragon allows remote code execution or privilege escalation via crafted DCI packets.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2021-30324?

CVE-2021-30324 is a medium-severity memory corruption 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

Possible out of bound write due to lack of boundary check for the maximum size of buffer when sending a DCI packet to remote process in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-120

Which versions are affected by CVE-2021-30324?

It affects 151 products.

Products include Qualcomm Apq8096au Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Csra6620 Firmware and 145 more.

How do I fix CVE-2021-30324?

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-2021-30324 being exploited?

There is no known exploitation of CVE-2021-30324 in the wild and no public exploit code.

All Qualcomm Apq8096au Firmware vulnerabilities

Sources

Also known as 2919213, A-195752651, GHSA-xrhc-ww54-4jw7, PUB-A-195752651.