CVE-2021-1942 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Critical 9.3 Published 1 Apr 2022 Updated 3 Aug 2024

Improper permission handling in shared memory allows attackers to cause memory corruption, potentially leading to code execution or privilege escalation on Snapdragon devices.

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-2021-1942?

CVE-2021-1942 is a critical memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 1 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper handling of permissions of a shared memory region can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-787

Which versions are affected by CVE-2021-1942?

It affects 111 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fsm10055 Firmware and 105 more.

How do I fix CVE-2021-1942?

No fix has been published for CVE-2021-1942 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-1942 being exploited?

There is no known exploitation of CVE-2021-1942 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as GHSA-fw7g-gj9j-5cp9.