CVE-2018-13920 Use after free in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

High 7.8 Published 24 May 2019 Updated 5 Aug 2024

A use-after-free vulnerability in the PMU driver allows attackers to execute arbitrary code or escalate privileges on affected 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: None listed

What is CVE-2018-13920?

CVE-2018-13920 is a high-severity use after free vulnerability in Qualcomm Mdm9206 Firmware, published on 24 May 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use-after-free condition due to Improper handling of hrtimers when the PMU driver tries to access its events in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in MDM9206, MDM9607, MDM9650, MSM8909W, QCS605, Qualcomm 215, SD 425, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 712 / SD 710 / SD 670, SD 820A, SD 845 / SD 850, SD 855, SDM439, SDM630, SDM660, SDX24

Weakness: CWE-416

Which versions are affected by CVE-2018-13920?

It affects 24 products.

Products include Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Msm8909w Firmware, Qualcomm Qcs605 Firmware, Qualcomm Qm215 Firmware and 18 more.

How do I fix CVE-2018-13920?

No fix has been published for CVE-2018-13920 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-2018-13920 being exploited?

There is no known exploitation of CVE-2018-13920 in the wild and no public exploit code.

All Qualcomm Mdm9206 Firmware vulnerabilities

Sources

Also known as GHSA-9jvw-rxf6-4p4p.