OracleVM 3.4 : xen (OVMSA-2016-0102)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.

Synopsis :

The remote OracleVM host is missing one or more security updates.

Description :

The remote OracleVM system is missing necessary patches to address
critical security updates :


- evtchn-fifo: prevent use after free (Boris Ostrovsky)

- x86/segment: Bounds check accesses to emulation
ctxt->seg_reg[] (Andrew Cooper) (CVE-2016-7094)

- x86/shadow: Avoid overflowing sh_ctxt->seg_reg[] (Andrew
Cooper) (CVE-2016-7094)

- x86/32on64: don't allow recursive page tables from L3
(Jan Beulich) (CVE-2016-7092)

See also :

Solution :

Update the affected xen / xen-tools packages.

Risk factor :

High / CVSS Base Score : 7.2
CVSS Temporal Score : 5.3
Public Exploit Available : false

Family: OracleVM Local Security Checks

Nessus Plugin ID: 93395 ()

Bugtraq ID:

CVE ID: CVE-2016-7092

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