kernel: usb: typec: altmodes/displayport: fix pin_assignment_show

An out-of-bounds array access was found in the USB Type-C DisplayPort altmode driver. When no compatible pin assignments are found, the code performs negative array indexing, causing a use-after-free or out-of-bounds read...

PT-2024-26741

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the DisplayPort driver's sysfs nodes being present to the userspace before the completion of typec altmode set drvdata in dp altmode probe. This can trigger a NUL...