SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2015:2324-1)

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

- Revert x86/IO-APIC: don't create pIRQ mapping from
masked RTE until kernel maintenance release goes out.

- 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)

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/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-2015-3259.html
https://www.suse.com/security/cve/CVE-2015-4106.html
https://www.suse.com/security/cve/CVE-2015-5154.html
https://www.suse.com/security/cve/CVE-2015-5239.html
https://www.suse.com/security/cve/CVE-2015-5307.html
https://www.suse.com/security/cve/CVE-2015-6815.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-2015-7835.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?fc855953

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 12-SP1 :

zypper in -t patch SUSE-SLE-SDK-12-SP1-2015-999=1

SUSE Linux Enterprise Server 12-SP1 :

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2015-999=1

SUSE Linux Enterprise Desktop 12-SP1 :

zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2015-999=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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