FreeBSD : xen-kernel -- x86 HVM: Overflow of sh_ctxt->seg_reg[] (4aae54be-ba4d-11e6-ae1b-002590263bf5)

This script is Copyright (C) 2016 Tenable Network Security, Inc.

Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

The Xen Project reports :

x86 HVM guests running with shadow paging use a subset of the x86
emulator to handle the guest writing to its own pagetables. There are
situations a guest can provoke which result in exceeding the space
allocated for internal state.

A malicious HVM guest administrator can cause Xen to fail a bug check,
causing a denial of service to the host.

See also :

Solution :

Update the affected package.

Risk factor :

Low / CVSS Base Score : 1.5

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 95502 ()

Bugtraq ID:

CVE ID: CVE-2016-7094

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