CVE-2018-11838 Use after free in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

High 7.8 Published 5 Mar 2020 Updated 5 Aug 2024

A double free vulnerability in Qualcomm Snapdragon WLAN firmware allows attackers to potentially execute arbitrary code or cause a denial of service.

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-2018-11838?

CVE-2018-11838 is a high-severity use after free vulnerability in Qualcomm Apq8053 Firmware, published on 5 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Possible double free issue in WLAN due to lack of checking memory free condition. in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in APQ8053, MDM9640, SDA660, SDM636, SDM660, SDX20

Weakness: CWE-415

Which versions are affected by CVE-2018-11838?

It affects 6 products.

Products include Qualcomm Apq8053 Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Sda660 Firmware, Qualcomm Sdm636 Firmware, Qualcomm Sdm660 Firmware, Qualcomm Sdx20 Firmware.

How do I fix CVE-2018-11838?

No fix has been published for CVE-2018-11838 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-2018-11838 being exploited?

There is no known exploitation of CVE-2018-11838 in the wild and no public exploit code.

All Qualcomm Apq8053 Firmware vulnerabilities

Sources

Also known as GHSA-78qw-h77p-37m8.