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Re: [Qemu-devel] [Qemu-block] [QEMU-SECURITY] ide: fix assertion in ide_

From: P J P
Subject: Re: [Qemu-devel] [Qemu-block] [QEMU-SECURITY] ide: fix assertion in ide_dma_cb() to prevent qemu DoS from quest
Date: Tue, 16 Jul 2019 21:48:20 +0530 (IST)

+-- On Tue, 16 Jul 2019, John Snow wrote --+
| I also feel that a privileged DOS by a guest of a legacy device is actually 
| low priority security-wise, unless we can demonstrate that there are side 
| effects that can be exploited.

Right, we are not treating this as a CVE issue as is. Privileged guest user 
has many ways to cause similar DoS effect, without triggering this assert(3).

Thank you.
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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