Security update for xen

Announcement ID:	SUSE-SU-2020:3742-1
Rating:	important
References:	bsc#1177409 bsc#1177412 bsc#1177413 bsc#1177414 bsc#1178591 bsc#1178963
Cross-References:	CVE-2020-27670 CVE-2020-27671 CVE-2020-27672 CVE-2020-27674 CVE-2020-28368
CVSS scores:	CVE-2020-27670 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-27670 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-27671 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-27671 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-27672 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-27672 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-27674 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2020-27674 ( NVD ): 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2020-28368 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2020-28368 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
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 and has one security fix can now be installed.

Description:

This update for xen fixes the following issues:

• bsc#1178963 - stack corruption from XSA-346 change (XSA-355)
• bsc#1177409 - CVE-2020-27674: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286)
• bsc#1177412 - CVE-2020-27672: Race condition in Xen mapping code (XSA-345)
• bsc#1177413 - CVE-2020-27671: undue deferral of IOMMU TLB flushes (XSA-346)
• bsc#1177414 - CVE-2020-27670: unsafe AMD IOMMU page table updates (XSA-347)
• bsc#1178591 - CVE-2020-28368: Intel RAPL sidechannel attack aka PLATYPUS attack aka XSA-351

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-7-2020-3742=1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2
  zypper in -t patch SUSE-SLE-POS-12-SP2-CLIENT-2020-3742=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-3742=1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-3742=1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-ESPOS-2020-3742=1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-3742=1

Package List:

• SUSE OpenStack Cloud 7 (x86_64)
  • xen-tools-4.7.6_12-43.70.1
  • xen-debugsource-4.7.6_12-43.70.1
  • xen-doc-html-4.7.6_12-43.70.1
  • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
  • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • xen-4.7.6_12-43.70.1
  • xen-libs-4.7.6_12-43.70.1
  • xen-tools-domU-4.7.6_12-43.70.1
  • xen-libs-32bit-4.7.6_12-43.70.1
  • xen-libs-debuginfo-4.7.6_12-43.70.1
  • xen-tools-debuginfo-4.7.6_12-43.70.1
• SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 (x86_64)
  • xen-tools-4.7.6_12-43.70.1
  • xen-debugsource-4.7.6_12-43.70.1
  • xen-doc-html-4.7.6_12-43.70.1
  • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
  • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • xen-4.7.6_12-43.70.1
  • xen-libs-4.7.6_12-43.70.1
  • xen-tools-domU-4.7.6_12-43.70.1
  • xen-libs-32bit-4.7.6_12-43.70.1
  • xen-libs-debuginfo-4.7.6_12-43.70.1
  • xen-tools-debuginfo-4.7.6_12-43.70.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2 (x86_64)
  • xen-tools-4.7.6_12-43.70.1
  • xen-debugsource-4.7.6_12-43.70.1
  • xen-doc-html-4.7.6_12-43.70.1
  • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
  • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • xen-4.7.6_12-43.70.1
  • xen-libs-4.7.6_12-43.70.1
  • xen-tools-domU-4.7.6_12-43.70.1
  • xen-libs-32bit-4.7.6_12-43.70.1
  • xen-libs-debuginfo-4.7.6_12-43.70.1
  • xen-tools-debuginfo-4.7.6_12-43.70.1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
  • xen-tools-4.7.6_12-43.70.1
  • xen-debugsource-4.7.6_12-43.70.1
  • xen-doc-html-4.7.6_12-43.70.1
  • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
  • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • xen-4.7.6_12-43.70.1
  • xen-libs-4.7.6_12-43.70.1
  • xen-tools-domU-4.7.6_12-43.70.1
  • xen-libs-32bit-4.7.6_12-43.70.1
  • xen-libs-debuginfo-4.7.6_12-43.70.1
  • xen-tools-debuginfo-4.7.6_12-43.70.1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 (x86_64)
  • xen-tools-4.7.6_12-43.70.1
  • xen-debugsource-4.7.6_12-43.70.1
  • xen-doc-html-4.7.6_12-43.70.1
  • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
  • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • xen-4.7.6_12-43.70.1
  • xen-libs-4.7.6_12-43.70.1
  • xen-tools-domU-4.7.6_12-43.70.1
  • xen-libs-32bit-4.7.6_12-43.70.1
  • xen-libs-debuginfo-4.7.6_12-43.70.1
  • xen-tools-debuginfo-4.7.6_12-43.70.1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (x86_64)
  • xen-tools-4.7.6_12-43.70.1
  • xen-debugsource-4.7.6_12-43.70.1
  • xen-doc-html-4.7.6_12-43.70.1
  • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
  • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • xen-4.7.6_12-43.70.1
  • xen-libs-4.7.6_12-43.70.1
  • xen-tools-domU-4.7.6_12-43.70.1
  • xen-libs-32bit-4.7.6_12-43.70.1
  • xen-libs-debuginfo-4.7.6_12-43.70.1
  • xen-tools-debuginfo-4.7.6_12-43.70.1

References:

• https://www.suse.com/security/cve/CVE-2020-27670.html
• https://www.suse.com/security/cve/CVE-2020-27671.html
• https://www.suse.com/security/cve/CVE-2020-27672.html
• https://www.suse.com/security/cve/CVE-2020-27674.html
• https://www.suse.com/security/cve/CVE-2020-28368.html
• https://bugzilla.suse.com/show_bug.cgi?id=1177409
• https://bugzilla.suse.com/show_bug.cgi?id=1177412
• https://bugzilla.suse.com/show_bug.cgi?id=1177413
• https://bugzilla.suse.com/show_bug.cgi?id=1177414
• https://bugzilla.suse.com/show_bug.cgi?id=1178591
• https://bugzilla.suse.com/show_bug.cgi?id=1178963