CVE-2021-30309 Memory corruption in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

High 7.8 Published 11 Feb 2022 Updated 3 Aug 2024

Improper size validation in QXDM commands allows memory corruption, potentially enabling code execution or privilege escalation on Snapdragon devices.

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

What is CVE-2021-30309?

CVE-2021-30309 is a high-severity memory corruption vulnerability in Qualcomm Mdm9650 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

Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

Weakness: CWE-120

Which versions are affected by CVE-2021-30309?

It affects 43 products.

Products include Qualcomm Mdm9650 Firmware, Qualcomm Qca6174a Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca9377 Firmware, Qualcomm Qcm6125 Firmware and 37 more.

How do I fix CVE-2021-30309?

No fix has been published for CVE-2021-30309 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-2021-30309 being exploited?

There is no known exploitation of CVE-2021-30309 in the wild and no public exploit code.

All Qualcomm Mdm9650 Firmware vulnerabilities

Sources

Also known as GHSA-cwg8-4j87-pp8g.