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Date: Mon, 24 Oct 2016 16:06:34 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Huawei PSIRT <>
Subject: CVE request Qemu: audio: intel-hda: infinite loop in processing dma
 buffer stream


Quick Emulator(Qemu) built with the Intel HDA controller emulation support is 
vulnerable to an infinite loop issue. It could occur while processing the DMA 
buffer stream while doing data transfer in 'intel_hda_xfer'.

A privileged user inside guest could use this flaw to consume excessive CPU 
cycles on the host, resulting in DoS.

Upstream patch

This issue was reported by Huawei Product Security Incident Response Team 
(PSIRT), Huawei Inc.

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

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