CVE-2021-30308 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

High 7.8 Published 13 Jan 2022 Updated 3 Aug 2024

A buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or cause denial of service via improper HARQ memory validation.

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-2021-30308?

CVE-2021-30308 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 13 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible buffer overflow while printing the HARQ memory partition detail due to improper validation of buffer size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

Weakness: CWE-120

Which versions are affected by CVE-2021-30308?

It affects 86 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csrb31024 Firmware, Qualcomm Fsm10056 Firmware, Qualcomm Mdm9150 Firmware, Qualcomm Mdm9250 Firmware and 80 more.

How do I fix CVE-2021-30308?

No fix has been published for CVE-2021-30308 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-2021-30308 being exploited?

There is no known exploitation of CVE-2021-30308 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as GHSA-85fp-hp45-wj39.