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Re: [PATCH-for-9.0 v2 0/4] hw/virtio: Protect from more DMA re-entrancy


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH-for-9.0 v2 0/4] hw/virtio: Protect from more DMA re-entrancy bugs
Date: Tue, 9 Apr 2024 16:35:47 +0200
User-agent: Mozilla Thunderbird

On 9/4/24 13:33, Michael S. Tsirkin wrote:
On Tue, Apr 09, 2024 at 12:55:33PM +0200, Philippe Mathieu-Daudé wrote:
Fixes for CVE-2024-3446.

Gerd suggested to use the transport guard to protect the
device from DMA re-entrancy abuses.

Since v1:
- Take a DeviceState argument, not VirtIODevice, so it
   works seamlessly with CCW devices (actually the original
   code from Gerd).
- Build and test :>

I'll send a PR with these patches later today.

I reviewed these too now

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

Thanks, series queued.



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