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vulnerability

Alpine Linux: CVE-2016-7777: Race Condition

Severity
3
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
Published
Oct 7, 2016
Added
Sep 20, 2017
Modified
Jun 18, 2026

Description

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.

Solution

alpine-linux-upgrade-xen
Title
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