Security update for xen

Announcement ID:	SUSE-SU-2020:2234-1
Rating:	important
References:	bsc#1163019 bsc#1168140 bsc#1168142 bsc#1169392 bsc#1174543
Cross-References:	CVE-2020-11739 CVE-2020-11740 CVE-2020-11741 CVE-2020-11742 CVE-2020-8608
CVSS scores:	CVE-2020-11739 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-11740 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2020-11741 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-11742 ( SUSE ): 4.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L CVE-2020-11742 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2020-8608 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H CVE-2020-8608 ( NVD ): 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP2 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE OpenStack Cloud 7

An update that solves five vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• bsc#1174543 - secure boot related fixes
• bsc#1163019 - CVE-2020-8608: Potential OOB access due to unsafe snprintf() usages
• bsc#1169392 - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy
• bsc#1168140 - CVE-2020-11740, CVE-2020-11741: Multiple xenoprof issues
• bsc#1168142 - CVE-2020-11739: Missing memory barriers in read-write unlock paths

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 OpenStack Cloud 7
  zypper in -t patch SUSE-OpenStack-Cloud-7-2020-2234=1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2
  zypper in -t patch SUSE-SLE-POS-12-SP2-CLIENT-2020-2234=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2234=1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2234=1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-ESPOS-2020-2234=1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2234=1

Package List:

• SUSE OpenStack Cloud 7 (x86_64)
  • xen-doc-html-4.7.6_08-43.64.1
  • xen-tools-domU-debuginfo-4.7.6_08-43.64.1
  • xen-libs-4.7.6_08-43.64.1
  • xen-4.7.6_08-43.64.1
  • xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
  • xen-tools-domU-4.7.6_08-43.64.1
  • xen-libs-32bit-4.7.6_08-43.64.1
  • xen-debugsource-4.7.6_08-43.64.1
  • xen-libs-debuginfo-4.7.6_08-43.64.1
  • xen-tools-debuginfo-4.7.6_08-43.64.1
  • xen-tools-4.7.6_08-43.64.1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 (x86_64)
  • xen-doc-html-4.7.6_08-43.64.1
  • xen-tools-domU-debuginfo-4.7.6_08-43.64.1
  • xen-libs-4.7.6_08-43.64.1
  • xen-4.7.6_08-43.64.1
  • xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
  • xen-tools-domU-4.7.6_08-43.64.1
  • xen-libs-32bit-4.7.6_08-43.64.1
  • xen-debugsource-4.7.6_08-43.64.1
  • xen-libs-debuginfo-4.7.6_08-43.64.1
  • xen-tools-debuginfo-4.7.6_08-43.64.1
  • xen-tools-4.7.6_08-43.64.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2 (x86_64)
  • xen-doc-html-4.7.6_08-43.64.1
  • xen-tools-domU-debuginfo-4.7.6_08-43.64.1
  • xen-libs-4.7.6_08-43.64.1
  • xen-4.7.6_08-43.64.1
  • xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
  • xen-tools-domU-4.7.6_08-43.64.1
  • xen-libs-32bit-4.7.6_08-43.64.1
  • xen-debugsource-4.7.6_08-43.64.1
  • xen-libs-debuginfo-4.7.6_08-43.64.1
  • xen-tools-debuginfo-4.7.6_08-43.64.1
  • xen-tools-4.7.6_08-43.64.1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
  • xen-doc-html-4.7.6_08-43.64.1
  • xen-tools-domU-debuginfo-4.7.6_08-43.64.1
  • xen-libs-4.7.6_08-43.64.1
  • xen-4.7.6_08-43.64.1
  • xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
  • xen-tools-domU-4.7.6_08-43.64.1
  • xen-libs-32bit-4.7.6_08-43.64.1
  • xen-debugsource-4.7.6_08-43.64.1
  • xen-libs-debuginfo-4.7.6_08-43.64.1
  • xen-tools-debuginfo-4.7.6_08-43.64.1
  • xen-tools-4.7.6_08-43.64.1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 (x86_64)
  • xen-doc-html-4.7.6_08-43.64.1
  • xen-tools-domU-debuginfo-4.7.6_08-43.64.1
  • xen-libs-4.7.6_08-43.64.1
  • xen-4.7.6_08-43.64.1
  • xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
  • xen-tools-domU-4.7.6_08-43.64.1
  • xen-libs-32bit-4.7.6_08-43.64.1
  • xen-debugsource-4.7.6_08-43.64.1
  • xen-libs-debuginfo-4.7.6_08-43.64.1
  • xen-tools-debuginfo-4.7.6_08-43.64.1
  • xen-tools-4.7.6_08-43.64.1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (x86_64)
  • xen-doc-html-4.7.6_08-43.64.1
  • xen-tools-domU-debuginfo-4.7.6_08-43.64.1
  • xen-libs-4.7.6_08-43.64.1
  • xen-4.7.6_08-43.64.1
  • xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
  • xen-tools-domU-4.7.6_08-43.64.1
  • xen-libs-32bit-4.7.6_08-43.64.1
  • xen-debugsource-4.7.6_08-43.64.1
  • xen-libs-debuginfo-4.7.6_08-43.64.1
  • xen-tools-debuginfo-4.7.6_08-43.64.1
  • xen-tools-4.7.6_08-43.64.1

References:

• https://www.suse.com/security/cve/CVE-2020-11739.html
• https://www.suse.com/security/cve/CVE-2020-11740.html
• https://www.suse.com/security/cve/CVE-2020-11741.html
• https://www.suse.com/security/cve/CVE-2020-11742.html
• https://www.suse.com/security/cve/CVE-2020-8608.html
• https://bugzilla.suse.com/show_bug.cgi?id=1163019
• https://bugzilla.suse.com/show_bug.cgi?id=1168140
• https://bugzilla.suse.com/show_bug.cgi?id=1168142
• https://bugzilla.suse.com/show_bug.cgi?id=1169392
• https://bugzilla.suse.com/show_bug.cgi?id=1174543