This script is Copyright (C) 2017 Tenable Network Security, Inc.
The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2017:0396 :
An update for qemu-kvm is now available for Red Hat Enterprise Linux
Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.
Kernel-based Virtual Machine (KVM) is a full virtualization solution
for Linux on a variety of architectures. The qemu-kvm packages provide
the user-space component for running virtual machines that use KVM.
Security Fix(es) :
* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator
support is vulnerable to an out-of-bounds access issue. It could occur
while copying VGA data via bitblt copy in backward mode. A privileged
user inside a guest could use this flaw to crash the QEMU process
resulting in DoS or potentially execute arbitrary code on the host
with privileges of QEMU process on the host. (CVE-2017-2615)
* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator
support is vulnerable to an out-of-bounds access issue. The issue
could occur while copying VGA data in cirrus_bitblt_cputovideo. A
privileged user inside guest could use this flaw to crash the QEMU
process OR potentially execute arbitrary code on host with privileges
of the QEMU process. (CVE-2017-2620)
Red Hat would like to thank Wjjzhang (Tencent.com Inc.) and Li Qiang
(360.cn Inc.) for reporting CVE-2017-2615.
Bug Fix(es) :
* When using the virtio-blk driver on a guest virtual machine with no
space on the virtual hard drive, the guest terminated unexpectedly
with a 'block I/O error in device' message and the qemu-kvm process
exited with a segmentation fault. This update fixes how the
system_reset QEMU signal is handled in the above scenario. As a
result, if a guest crashes due to no space left on the device,
qemu-kvm continues running and the guest can be reset as expected.
See also :
Update the affected qemu-kvm packages.
Risk factor :
High / CVSS Base Score : 7.4
CVSS Temporal Score : 6.7
Public Exploit Available : true