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Alpine Linux: CVE-2016-3158: xen Security issues

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Alpine Linux: CVE-2016-3158: xen Security issues

Severity
2
CVSS
(AV:L/AC:L/Au:S/C:P/I:N/A:N)
Published
04/19/2016
Created
07/25/2018
Added
08/30/2017
Modified
10/30/2017

Description

The xrstor function in arch/x86/xstate.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-2076.

Solution(s)

  • alpine-linux-upgrade-xen

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