An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. video_usercopy in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, aka CID-fb18802a338b. CREATE(Triage):(User=admin) [CVE-2021-30002|https://nvd.nist.gov/vuln/detail/CVE-2021-30002]