CVE-2021-30316 Memory corruption in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

High 8.4 Published 20 Oct 2021 Updated 3 Aug 2024

Out-of-bounds memory access in Snapdragon firmware allows attackers to execute arbitrary code or cause denial of service.

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-2021-30316?

CVE-2021-30316 is a high-severity memory corruption vulnerability in Qualcomm Ar8031 Firmware, published on 20 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible out of bound memory access due to improper boundary check while creating HSYNC fence in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Weakness: CWE-119

Which versions are affected by CVE-2021-30316?

It affects 77 products.

Products include Qualcomm Ar8031 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fsm10055 Firmware, Qualcomm Fsm10056 Firmware, Qualcomm Mdm9150 Firmware and 71 more.

How do I fix CVE-2021-30316?

No fix has been published for CVE-2021-30316 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-2021-30316 being exploited?

There is no known exploitation of CVE-2021-30316 in the wild and no public exploit code.

All Qualcomm Ar8031 Firmware vulnerabilities

Sources

Also known as GHSA-6p95-gmgm-vw9w.