Scientific Linux Security Update : qemu-kvm on SL7.x x86_64

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


Synopsis :

The remote Scientific Linux host is missing one or more security
updates.

Description :

Security Fix(es) :

- An out-of-bounds memory access issue was found in Quick
Emulator (QEMU) in the VNC display driver. This flaw
could occur while refreshing the VNC display surface
area in the 'vnc_refresh_server_surface'. A user inside
a guest could use this flaw to crash the QEMU process.
(CVE-2017-2633)

- An integer overflow flaw was found in Quick Emulator
(QEMU) in the CCID Card device support. The flaw could
occur while passing messages via command/response
packets to and from the host. A privileged user inside a
guest could use this flaw to crash the QEMU process.
(CVE-2017-5898)

- An information exposure flaw was found in Quick Emulator
(QEMU) in Task Priority Register (TPR) optimizations for
32-bit Windows guests. The flaw could occur while
accessing TPR. A privileged user inside a guest could
use this issue to read portions of the host memory.
(CVE-2016-4020)

See also :

http://www.nessus.org/u?807437e2

Solution :

Update the affected packages.

Risk factor :

Low / CVSS Base Score : 2.1
(CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N)

Family: Scientific Linux Local Security Checks

Nessus Plugin ID: 102655 ()

Bugtraq ID:

CVE ID: CVE-2016-4020
CVE-2017-2633
CVE-2017-5898

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