CVE-2020-11124 Use after free in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

High 7.8 Published 9 Sep 2020 Updated 4 Aug 2024

A use-after-free vulnerability in the diag client map table allows attackers to execute arbitrary code or escalate privileges on Qualcomm Snapdragon devices.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2020-11124?

CVE-2020-11124 is a high-severity use after free vulnerability in Qualcomm Mdm9607 Firmware, published on 9 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

u'Possible use-after-free while accessing diag client map table since list can be reallocated due to exceeding max client limit.' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in MDM9607, Nicobar, QCS404, QCS405, QCS610, Rennell, SA6155P, SA8155P, Saipan, SC8180X, SDM660, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Weakness: CWE-416

Which versions are affected by CVE-2020-11124?

It affects 17 products.

Products include Qualcomm Mdm9607 Firmware, Qualcomm Nicobar Firmware, Qualcomm Qcs404 Firmware, Qualcomm Qcs405 Firmware, Qualcomm Qcs610 Firmware, Qualcomm Rennell Firmware and 11 more.

How do I fix CVE-2020-11124?

Apply the vendor's patch.

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-2020-11124 being exploited?

There is no known exploitation of CVE-2020-11124 in the wild and no public exploit code.

All Qualcomm Mdm9607 Firmware vulnerabilities

Sources

Also known as 2611487, A-157906588, ASB-A-157906588, GHSA-4cpc-j329-wv69.