SUSE SLES11 Security Update : xen (SUSE-SU-2017:1058-1)

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


Synopsis :

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

Description :

This update for xen fixes the following security issues :

- CVE-2017-7228: Broken check in memory_exchange()
permited PV guest breakout (bsc#1030442).

- CVE-2017-6414: Memory leak in the vcard_apdu_new
function in card_7816.c in libcacard allowed local guest
OS users to cause a denial of service (host memory
consumption) via vectors related to allocating a new
APDU object (bsc#1027570).

- CVE-2017-6505: The ohci_service_ed_list function in
hw/usb/hcd-ohci.c allowed local guest OS users to cause
a denial of service (infinite loop) via vectors
involving the number of link endpoint list descriptors
(bsc#1028235).

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

https://bugzilla.suse.com/1027570
https://bugzilla.suse.com/1028235
https://bugzilla.suse.com/1030442
https://www.suse.com/security/cve/CVE-2017-6414.html
https://www.suse.com/security/cve/CVE-2017-6505.html
https://www.suse.com/security/cve/CVE-2017-7228.html
http://www.nessus.org/u?569444b0

Solution :

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud 5:zypper in -t patch sleclo50sp3-xen-13067=1

SUSE Manager Proxy 2.1:zypper in -t patch slemap21-xen-13067=1

SUSE Manager 2.1:zypper in -t patch sleman21-xen-13067=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch
slessp3-xen-13067=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch
sleposp3-xen-13067=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch
dbgsp3-xen-13067=1

To bring your system up-to-date, use 'zypper patch'.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.0
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: SuSE Local Security Checks

Nessus Plugin ID: 99507 ()

Bugtraq ID:

CVE ID: CVE-2017-6414
CVE-2017-6505
CVE-2017-7228

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