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Date: Fri, 29 Jan 2016 21:43:37 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Zuozhi Fzz <>
Subject: CVE request Qemu: usb: ehci null pointer dereference in


Qemu emulator built with the USB EHCI emulation support is vulnerable to a 
null pointer dereference flaw. It could occur when an application attempts to 
write to EHCI capabilities registers.

A privileged user inside quest could use this flaw to crash the Qemu process 
instance resulting in DoS.

Upstream patch:


This issue was discovered by Mr Zuozhi Fzz of Alibaba 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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