CVE-2021-30271 Null dereference in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

High 7.3 Published 3 Jan 2022 Updated 3 Aug 2024

A null pointer dereference in the trap handler allows attackers to cause a denial of service in various Qualcomm Snapdragon platforms.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-30271?

CVE-2021-30271 is a high-severity vulnerability in Qualcomm Apq8009w Firmware, published on 3 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible null pointer dereference in trap handler due to lack of thread ID validation before dereferencing it in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-476

Which versions are affected by CVE-2021-30271?

It affects 166 products.

Products include Qualcomm Apq8009w Firmware, Qualcomm Apq8017 Firmware, Qualcomm Apq8096au Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csr8811 Firmware and 160 more.

How do I fix CVE-2021-30271?

No fix has been published for CVE-2021-30271 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-30271 being exploited?

There is no known exploitation of CVE-2021-30271 in the wild and no public exploit code.

All Qualcomm Apq8009w Firmware vulnerabilities

Sources

Also known as GHSA-mg73-f6mr-q5cw.