Critical Vulnerability Information Vulnerability Description Description: In the function, the device minor number is cleared before the device is actually released, which may lead to incorrect handling of device resources while the device is still in use. Commit Information Author: Edward Adam Davis Committer: Greg Kroah-Hartman Commit Time: 2025-10-19 16:37:42 +0200 Commit ID: ac01416d477c2dc6016782635ae022f8cc634a29 Related Fixes Fixed Commit ID: 9e14868dc952 Fix Description: Addressed the issue of clearing minor number reservation during device unregistration. Source Code Change Details File: drivers/media/mc/mc-devnode.c Key Change: The line was removed from the function and moved to be executed just before , ensuring the minor number is not cleared until the device is fully released. Testing and Validation Tester: syzbot+031d0cfd7c362817963f@syzkaller.appspotmail.com Reporter: syzbot+031d0cfd7c362817963f@syzkaller.appspotmail.com Sign-off Authors Edward Adam Davis, Sakari Ailus, Hans Verkuil, Sasha Levin, Greg Kroah-Hartman