CVE-2021-1963 Use after free in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Medium 6.7 Published 9 Sep 2021 Updated 3 Aug 2024

A use-after-free vulnerability in the Qualcomm IPA driver allows attackers to execute arbitrary code or escalate privileges on Snapdragon devices.

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-2021-1963?

CVE-2021-1963 is a medium-severity use after free vulnerability in Qualcomm Apq8009w Firmware, published on 9 Sep 2021. 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 validation for the rule count in filter table in IPA driver 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-2021-1963?

It affects 112 products.

Products include Qualcomm Apq8009w Firmware, Qualcomm Apq8096au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware and 106 more.

How do I fix CVE-2021-1963?

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-2021-1963 being exploited?

There is no known exploitation of CVE-2021-1963 in the wild and no public exploit code.

All Qualcomm Apq8009w Firmware vulnerabilities

Sources

Also known as 2823618, A-181677179, GHSA-f47x-r3wj-9vxc, PUB-A-181677179.