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Date: Mon, 3 Apr 2017 15:41:12 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Li Qiang <liqiang6-s@....cn>
Subject: CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create
Hello,
Quick Emulator(Qemu) built with the virtio-9p back-end support is vulnerable
to a memory leakage issue. It could occur while doing a I/O operation via
v9fs_create/v9fs_lcreate routine.
A privileged user/process inside guest could use this flaw to leak host memory
resulting in Dos.
Upstream patch:
---------------
-> http://git.qemu-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
Reference:
----------
-> https://bugzilla.redhat.com/show_bug.cgi?id=1437871
This issue was reported by Li Qiang of 360.cn 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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