CVE-2017-7493

Priority
Medium
Description
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.
References
Bugs
Package
Upstream:needed
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 12.04 ESM (Precise Pangolin):needed
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu Core 15.04:DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Patches:
Other:https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html
Package
Source: qemu (LP Ubuntu Debian)
Upstream:needed
Ubuntu 17.10 (Artful Aardvark):not-affected (1:2.10+dfsg-0ubuntu1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):released (2.0.0+dfsg-2ubuntu1.35)
Ubuntu Core 15.04:DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (1:2.5+dfsg-5ubuntu10.15)
Ubuntu 17.04 (Zesty Zapus):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
More Information

Updated: 2017-09-13 13:14:17 UTC (commit 13310)