CVE-2021-30262 Use after free in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

High 8.4 Published 3 Jan 2022 Updated 3 Aug 2024

Improper socket state validation in Qualcomm Snapdragon firmware allows attackers to access invalid memory, potentially leading to code execution or privilege escalation.

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-2021-30262?

CVE-2021-30262 is a high-severity use after free 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

Improper validation of a socket state when socket events are being sent to clients can lead to invalid access of memory in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Weakness: CWE-416

Which versions are affected by CVE-2021-30262?

It affects 105 products.

Products include Qualcomm Apq8009w Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware and 99 more.

How do I fix CVE-2021-30262?

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-2021-30262 being exploited?

There is no known exploitation of CVE-2021-30262 in the wild and no public exploit code.

All Qualcomm Apq8009w Firmware vulnerabilities

Sources

Also known as 2774954, A-190402578, ASB-A-190402578, GHSA-fhmq-5697-m94q.