SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2015:2326-1)

This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

This update fixes the following security issues :

- bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100:
infinite loop in processing command block list

- bsc#956592 - xen: virtual PMU is unsupported (XSA-163)

- bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen:
XENMEM_exchange error handling issues (XSA-159)

- bsc#956409 - CVE-2015-8341: xen: libxl leak of pv kernel
and initrd on error (XSA-160)

- bsc#956411 - CVE-2015-7504: xen: heap buffer overflow
vulnerability in pcnet emulator (XSA-162)

- bsc#947165 - CVE-2015-7311: xen: libxl fails to honour
readonly flag on disks with qemu-xen (xsa-142)

- bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by
triggering an infinite loop in microcode via #DB
exception

- bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during
fault delivery (XSA-156)

- bsc#950704 - CVE-2015-7970: xen: x86: Long latency
populate-on-demand operation is not preemptible
(XSA-150)

- bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand
balloon size inaccuracy can crash guests (XSA-153)

- bsc#950703 - CVE-2015-7969: xen: leak of main per-domain
vcpu pointer array (DoS) (XSA-149)

- bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain
profiling-related vcpu pointer array (DoS) (XSA-151)

- bsc#950706 - CVE-2015-7971: xen: x86: some pmu and
profiling hypercalls log without rate limiting (XSA-152)

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/947165
https://bugzilla.suse.com/950703
https://bugzilla.suse.com/950704
https://bugzilla.suse.com/950705
https://bugzilla.suse.com/950706
https://bugzilla.suse.com/951845
https://bugzilla.suse.com/954018
https://bugzilla.suse.com/954405
https://bugzilla.suse.com/956408
https://bugzilla.suse.com/956409
https://bugzilla.suse.com/956411
https://bugzilla.suse.com/956592
https://bugzilla.suse.com/956832
https://www.suse.com/security/cve/CVE-2015-5307.html
https://www.suse.com/security/cve/CVE-2015-7311.html
https://www.suse.com/security/cve/CVE-2015-7504.html
https://www.suse.com/security/cve/CVE-2015-7969.html
https://www.suse.com/security/cve/CVE-2015-7970.html
https://www.suse.com/security/cve/CVE-2015-7971.html
https://www.suse.com/security/cve/CVE-2015-7972.html
https://www.suse.com/security/cve/CVE-2015-8104.html
https://www.suse.com/security/cve/CVE-2015-8339.html
https://www.suse.com/security/cve/CVE-2015-8340.html
https://www.suse.com/security/cve/CVE-2015-8341.html
https://www.suse.com/security/cve/CVE-2015-8345.html
http://www.nessus.org/u?30e55811

Solution :

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

SUSE Linux Enterprise Software Development Kit 11-SP3 :

zypper in -t patch sdksp3-xen-20151203-12274=1

SUSE Linux Enterprise Server 11-SP3 :

zypper in -t patch slessp3-xen-20151203-12274=1

SUSE Linux Enterprise Desktop 11-SP3 :

zypper in -t patch sledsp3-xen-20151203-12274=1

SUSE Linux Enterprise Debuginfo 11-SP3 :

zypper in -t patch dbgsp3-xen-20151203-12274=1

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

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

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