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Date: Fri, 6 Oct 2017 12:20:09 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Tuomas Tynkkynen <>
Subject: CVE-2017-15038 Qemu: 9p: virtfs: information disclosure when reading
 extended attributes


Quick Emulator(Qemu) built with the VirtFS, host directory sharing via Plan 9 
File System(9pfs) support, is vulnerable to an information disclosure issue. 
It could occur while accessing extended attributes of a file due to a race 

A user inside guest could use this flaw to disclose uninitialised heap memory 
contents on the host.

Upstream patch:

This issue was reported by Tuomas Tynkkynen.

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

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