CVE-2024-50239

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.61

Description: A vulnerability in the Linux kernel has been resolved, specifically in the phy: qcom: qmp-usb-legacy driver. The issue arose from a commit that removed the initialisation of the platform device driver data, despite it still being used in the runtime PM callbacks. This bug was later reproduced when the driver was copied to create the qmp-usb-legacy driver. The vulnerability can cause a NULL-pointer dereference on runtime suspend. It is noted that runtime PM is not commonly used and needs to be enabled manually through sysfs.

Recommendations: For Linux kernel versions prior to 6.6.61, update to version 6.6.61 or later to resolve the issue. As a temporary workaround, consider disabling runtime PM through sysfs to minimize the risk of exploitation.