CVE-2021-30278 Information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

High 7.1 Published 3 Jan 2022 Updated 3 Aug 2024

Improper input validation in the TrustZone memory transfer interface allows attackers to disclose sensitive information on various Snapdragon platforms.

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-2021-30278?

CVE-2021-30278 is a high-severity 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

Improper input validation in TrustZone memory transfer interface can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Weakness: CWE-20

Which versions are affected by CVE-2021-30278?

It affects 126 products.

Products include Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Csrb31024 Firmware and 120 more.

How do I fix CVE-2021-30278?

No fix has been published for CVE-2021-30278 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-30278 being exploited?

There is no known exploitation of CVE-2021-30278 in the wild and no public exploit code.

All Qualcomm Ar8031 Firmware vulnerabilities

Sources

Also known as GHSA-5ggp-22rv-4jh2.