CVE-2016-9386

Priority
Description
The x86 emulator in Xen does not properly treat x86 NULL segments as
unusable when accessing memory, which might allow local HVM guest users to
gain privileges via vectors involving "unexpected" base/limit values.
Notes
mdeslaurThis is XSA-191
Package
Source: xen (LP Ubuntu Debian)
Upstream:needed
Ubuntu 12.04 ESM (Precise Pangolin):DNE (precise was released [4.1.6.1-0ubuntu0.12.04.13])
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was released [4.4.2-0ubuntu0.14.04.9])
Ubuntu 16.04 LTS (Xenial Xerus):released (4.6.0-1ubuntu4.3)
Binaries built from this source package are in universe and so are supported by the community. For more details see https://wiki.ubuntu.com/SecurityTeam/FAQ#Official_Support
More Information

Updated: 2020-03-18 22:47:01 UTC (commit 2ea7df7bd1e69e1e489978d2724a936eb3faa1b8)