Security update for xen

Announcement ID:	SUSE-SU-2016:3221-1
Rating:	important
References:	bsc#1012651 bsc#1014298 bsc#1016340
Cross-References:	CVE-2016-10013 CVE-2016-10024 CVE-2016-9932
CVSS scores:	CVE-2016-10013 ( NVD ): 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2016-10024 ( NVD ): 6.0 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2016-9932 ( NVD ): 3.3 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Products:	SLES for SAP Applications 11-SP4 SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Software Development Kit 11 SP4

An update that solves three vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• A Mishandling of SYSCALL singlestep during emulation which could have lead to privilege escalation. (XSA-204, bsc#1016340, CVE-2016-10013)
• CMPXCHG8B emulation failed to ignore operand size override which could have lead to information disclosure. (XSA-200, bsc#1012651, CVE-2016-9932)
• PV guests may have been able to mask interrupts causing a Denial of Service. (XSA-202, bsc#1014298, CVE-2016-10024)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Software Development Kit 11 SP4
  zypper in -t patch sdksp4-xen-12905=1
• SUSE Linux Enterprise Server 11 SP4
  zypper in -t patch slessp4-xen-12905=1
• SLES for SAP Applications 11-SP4
  zypper in -t patch slessp4-xen-12905=1

Package List:

• SUSE Linux Enterprise Software Development Kit 11 SP4 (x86_64 i586)
  • xen-devel-4.4.4_12-46.1
• SUSE Linux Enterprise Server 11 SP4 (x86_64 i586)
  • xen-libs-4.4.4_12-46.1
  • xen-tools-domU-4.4.4_12-46.1
  • xen-kmp-default-4.4.4_12_3.0.101_91-46.1
• SUSE Linux Enterprise Server 11 SP4 (i586)
  • xen-kmp-pae-4.4.4_12_3.0.101_91-46.1
• SUSE Linux Enterprise Server 11 SP4 (x86_64)
  • xen-4.4.4_12-46.1
  • xen-libs-32bit-4.4.4_12-46.1
  • xen-doc-html-4.4.4_12-46.1
  • xen-tools-4.4.4_12-46.1
• SLES for SAP Applications 11-SP4 (x86_64)
  • xen-tools-domU-4.4.4_12-46.1
  • xen-libs-32bit-4.4.4_12-46.1
  • xen-doc-html-4.4.4_12-46.1
  • xen-kmp-default-4.4.4_12_3.0.101_91-46.1
  • xen-4.4.4_12-46.1
  • xen-tools-4.4.4_12-46.1
  • xen-libs-4.4.4_12-46.1

References:

• https://www.suse.com/security/cve/CVE-2016-10013.html
• https://www.suse.com/security/cve/CVE-2016-10024.html
• https://www.suse.com/security/cve/CVE-2016-9932.html
• https://bugzilla.suse.com/show_bug.cgi?id=1012651
• https://bugzilla.suse.com/show_bug.cgi?id=1014298
• https://bugzilla.suse.com/show_bug.cgi?id=1016340