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CVE-2017-7493

Published: 17 May 2017

Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.

Priority

Medium

CVSS 3 base score: 7.8

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1:2.10+dfsg-0ubuntu1)
bionic Not vulnerable
(1:2.10+dfsg-0ubuntu1)
cosmic Not vulnerable
(1:2.10+dfsg-0ubuntu1)
disco Not vulnerable
(1:2.10+dfsg-0ubuntu1)
eoan Not vulnerable
(1:2.10+dfsg-0ubuntu1)
focal Not vulnerable
(1:2.10+dfsg-0ubuntu1)
groovy Not vulnerable
(1:2.10+dfsg-0ubuntu1)
hirsute Not vulnerable
(1:2.10+dfsg-0ubuntu1)
precise Does not exist

trusty
Released (2.0.0+dfsg-2ubuntu1.35)
upstream Needed

xenial
Released (1:2.5+dfsg-5ubuntu10.15)
yakkety Ignored
(reached end-of-life)
zesty
Released (1:2.8+dfsg-3ubuntu2.4)
Patches:
other: https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html
upstream: https://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=7a95434e0ca8a037fd8aa1a2e2461f92585eb77b

qemu-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

precise Ignored
(end of ESM support, was needed)
trusty Does not exist

upstream Needed

xenial Does not exist

yakkety Does not exist

zesty Does not exist

Patches:


other: https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html