CVE-2019-10621 Use after free in Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

High 7.8 Published 16 Apr 2020 Updated 4 Aug 2024

A use-after-free vulnerability in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via concurrent MAP and UNMAP calls.

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-2019-10621?

CVE-2019-10621 is a high-severity use after free vulnerability in Qualcomm Nicobar Firmware, published on 16 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use after free issue when MAP and UNMAP calls at same time as data structure used my MAP may be freed by UNMAP function in Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in Nicobar, QCS405, Rennell, Saipan, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Weakness: CWE-416

Which versions are affected by CVE-2019-10621?

It affects 11 products.

Products include Qualcomm Nicobar Firmware, Qualcomm Qcs405 Firmware, Qualcomm Rennell Firmware, Qualcomm Saipan Firmware, Qualcomm Sc8180x Firmware, Qualcomm Sdx55 Firmware and 5 more.

How do I fix CVE-2019-10621?

No fix has been published for CVE-2019-10621 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-10621 being exploited?

There is no known exploitation of CVE-2019-10621 in the wild and no public exploit code.

All Qualcomm Nicobar Firmware vulnerabilities

Sources

Also known as GHSA-f4r2-pjj6-jmj8.