Reply to post: Driver Signing

Forgotten motherboard driver turns out to be perfect for slipping Windows ransomware past antivirus checks

Luke McCarthy

Driver Signing

Can Microsoft not revoke the signature for the driver, or would that invalidate all Gigabyte drivers?

Loadable kernel modules were always a security exploit waiting to happen. Why bother with enforcing process memory protection if you can load arbitrary code into ring 0 that can modify arbitrary memory. Sure you have to jump through a few hoops to get there, but in the end you are no more secure than MS-DOS.

Hardware vendors can't be trusted to write secure drivers, and can't be relied upon to update them when exploits are discovered.

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