CVE-2021-35110 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile

High 8.1 Published 1 Apr 2022 Updated 4 Aug 2024

A buffer overflow in Snapdragon Connectivity and Mobile allows attackers to execute arbitrary code or escalate privileges via improper hash validation.

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-2021-35110?

CVE-2021-35110 is a high-severity memory corruption vulnerability in Qualcomm Sd 8 Gen1 5g Firmware, published on 1 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible buffer overflow to improper validation of hash segment of file while allocating memory in Snapdragon Connectivity, Snapdragon Mobile

Weakness: CWE-704

Which versions are affected by CVE-2021-35110?

It affects 6 products.

Products include Qualcomm Sd 8 Gen1 5g Firmware, Qualcomm Wcd9380 Firmware, Qualcomm Wcn6855 Firmware, Qualcomm Wcn6856 Firmware, Qualcomm Wsa8830 Firmware, Qualcomm Wsa8835 Firmware.

How do I fix CVE-2021-35110?

No fix has been published for CVE-2021-35110 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-2021-35110 being exploited?

There is no known exploitation of CVE-2021-35110 in the wild and no public exploit code.

All Qualcomm Sd 8 Gen1 5g Firmware vulnerabilities

Sources

Also known as GHSA-vhfm-jw2x-69j4.