Rapid7 Vulnerability & Exploit Database

Alpine Linux: CVE-2016-9932: xen x86 CMPXCHG8B emulation fails to ignore operand size override

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Alpine Linux: CVE-2016-9932: xen x86 CMPXCHG8B emulation fails to ignore operand size override

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
02/27/2017
Created
07/25/2018
Added
08/30/2017
Modified
11/06/2017

Description

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.

Solution(s)

  • alpine-linux-upgrade-xen

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