OracleVM 3.2 : xen (OVMSA-2016-0178)

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 :

- From: Jan Beulich Subject: x86emul: CMPXCHG8B ignores
operand size prefix Otherwise besides mis-handling the
instruction, the comparison failure case would result in
uninitialized stack data being handed back to the guest
in rDX:rAX (32 bits leaked for 32-bit guests, 96 bits
for 64-bit ones). This is XSA-200.

Conflicts: xen/arch/x86/x86_emulate/x86_emulate.c

See also :

Solution :

Update the affected xen / xen-devel / xen-tools packages.

Risk factor :


Family: OracleVM Local Security Checks

Nessus Plugin ID: 95796 ()

Bugtraq ID:


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