CVE-2021-30298 Memory corruption in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Medium 6.7 Published 3 Jan 2022 Updated 3 Aug 2024

Out-of-bounds access in Snapdragon firmware allows attackers to execute code or escalate privileges via improper validation during interface switching.

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-2021-30298?

CVE-2021-30298 is a medium-severity memory corruption vulnerability in Qualcomm Ar8031 Firmware, published on 3 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible out of bound access due to improper validation of item size and DIAG memory pools data while switching between USB and PCIE interface in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-120

Which versions are affected by CVE-2021-30298?

It affects 61 products.

Products include Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fsm10055 Firmware, Qualcomm Fsm10056 Firmware and 55 more.

How do I fix CVE-2021-30298?

Apply the vendor's patch.

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

Is CVE-2021-30298 being exploited?

There is no known exploitation of CVE-2021-30298 in the wild and no public exploit code.

All Qualcomm Ar8031 Firmware vulnerabilities

Sources

Also known as 2873209, A-190408641, GHSA-3xcc-mw3v-cg8g, PUB-A-190408641.