[RFC PATCH 08/15] drivers/acrn: add VM memory management for ACRN char device

Borislav Petkov bp at alien8.de
Mon Aug 19 07:46:14 UTC 2019

On Mon, Aug 19, 2019 at 10:39:58AM +0300, Dan Carpenter wrote:
> On Mon, Aug 19, 2019 at 01:32:54PM +0800, Zhao, Yakui wrote:
> > In fact as this driver is mainly used for embedded IOT usage, it doesn't
> > handle the complex cleanup when such error is encountered. Instead the clean
> > up is handled in free_guest_vm.
> A use after free here seems like a potential security problem.  Security
> matters for IoT...  :(

Yeah, the "S" in "IoT" stands for security.


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