CVE-2024-50056 Information

Description

In the Linux kernel the following vulnerability has been resolved:

usb: gadget: uvc: Fix ERR_PTR dereference in uvc_v4l2.c

Fix potential dereferencing of ERR_PTR() in find_format_by_pix() and uvc_v4l2_enum_format().

Fix the following smatch errors:

drivers/usb/gadget/function/uvc_v4l2.c:124 find_format_by_pix() error: ‘fmtdesc’ dereferencing possible ERR_PTR()

drivers/usb/gadget/function/uvc_v4l2.c:392 uvc_v4l2_enum_format() error: ‘fmtdesc’ dereferencing possible ERR_PTR()

Also fix similar issue in uvc_v4l2_try_format() for potential dereferencing of ERR_PTR().

Reference

https://git.kernel.org/stable/c/cedeb36c3ff4acd0f3d09918dfd8ed1df05efdd6 https://git.kernel.org/stable/c/a7bb96b18864225a694e3887ac2733159489e4b0