CVE-2018-11947 Use after free in Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
A double-free vulnerability in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or cause denial of service during driver unloading.
- 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-2018-11947?
CVE-2018-11947 is a medium-severity use after free vulnerability in Qualcomm Ipq8064 Firmware, published on 14 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The txrx stats req might be double freed in the pdev detach when the host driver is unloading in Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in IPQ8064, MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCA9558, QCA9880, QCA9886, QCA9980, QCS405, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM630, SDM660, SDX20, SDX24
Weakness: CWE-415
Which versions are affected by CVE-2018-11947?
It affects 42 products.
Products include Qualcomm Ipq8064 Firmware, Qualcomm Mdm9150 Firmware, Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Mdm9650 Firmware and 36 more.
How do I fix CVE-2018-11947?
No fix has been published for CVE-2018-11947 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-2018-11947 being exploited?
There is no known exploitation of CVE-2018-11947 in the wild and no public exploit code.
Sources
Also known as GHSA-98g4-4gpj-7rqq.