Security update for xen

Announcement ID:	SUSE-SU-2020:1891-1
Rating:	important
References:	bsc#1173376 bsc#1173377 bsc#1173378 bsc#1173380
Cross-References:	CVE-2020-15563 CVE-2020-15565 CVE-2020-15566 CVE-2020-15567
CVSS scores:	CVE-2020-15563 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-15565 ( SUSE ): 7.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H CVE-2020-15565 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-15566 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-15567 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:H CVE-2020-15567 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 9

An update that solves four vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2020-15563: Fixed inverted code paths in x86 dirty VRAM tracking (bsc#1173377).
• CVE-2020-15565: Fixed insufficient cache write-back under VT-d (bsc#1173378).
• CVE-2020-15566: Fixed incorrect error handling in event channel port allocation (bsc#1173376).
• CVE-2020-15567: Fixed non-atomic modification of live EPT PTE (bsc#1173380).

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 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2020-1891=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-1891=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2020-1891=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2020-1891=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2020-1891=1

Package List:

• SUSE OpenStack Cloud 9 (x86_64)
  • xen-doc-html-4.11.4_04-2.30.1
  • xen-tools-domU-4.11.4_04-2.30.1
  • xen-debugsource-4.11.4_04-2.30.1
  • xen-tools-debuginfo-4.11.4_04-2.30.1
  • xen-tools-domU-debuginfo-4.11.4_04-2.30.1
  • xen-libs-4.11.4_04-2.30.1
  • xen-4.11.4_04-2.30.1
  • xen-libs-debuginfo-4.11.4_04-2.30.1
  • xen-libs-debuginfo-32bit-4.11.4_04-2.30.1
  • xen-tools-4.11.4_04-2.30.1
  • xen-libs-32bit-4.11.4_04-2.30.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • xen-doc-html-4.11.4_04-2.30.1
  • xen-tools-domU-4.11.4_04-2.30.1
  • xen-debugsource-4.11.4_04-2.30.1
  • xen-tools-debuginfo-4.11.4_04-2.30.1
  • xen-tools-domU-debuginfo-4.11.4_04-2.30.1
  • xen-libs-4.11.4_04-2.30.1
  • xen-4.11.4_04-2.30.1
  • xen-libs-debuginfo-4.11.4_04-2.30.1
  • xen-libs-debuginfo-32bit-4.11.4_04-2.30.1
  • xen-tools-4.11.4_04-2.30.1
  • xen-libs-32bit-4.11.4_04-2.30.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
  • xen-doc-html-4.11.4_04-2.30.1
  • xen-tools-domU-4.11.4_04-2.30.1
  • xen-debugsource-4.11.4_04-2.30.1
  • xen-tools-debuginfo-4.11.4_04-2.30.1
  • xen-tools-domU-debuginfo-4.11.4_04-2.30.1
  • xen-libs-4.11.4_04-2.30.1
  • xen-4.11.4_04-2.30.1
  • xen-libs-debuginfo-4.11.4_04-2.30.1
  • xen-libs-debuginfo-32bit-4.11.4_04-2.30.1
  • xen-tools-4.11.4_04-2.30.1
  • xen-libs-32bit-4.11.4_04-2.30.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (x86_64)
  • xen-doc-html-4.11.4_04-2.30.1
  • xen-tools-domU-4.11.4_04-2.30.1
  • xen-debugsource-4.11.4_04-2.30.1
  • xen-tools-debuginfo-4.11.4_04-2.30.1
  • xen-tools-domU-debuginfo-4.11.4_04-2.30.1
  • xen-libs-4.11.4_04-2.30.1
  • xen-4.11.4_04-2.30.1
  • xen-libs-debuginfo-4.11.4_04-2.30.1
  • xen-libs-debuginfo-32bit-4.11.4_04-2.30.1
  • xen-tools-4.11.4_04-2.30.1
  • xen-libs-32bit-4.11.4_04-2.30.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (x86_64)
  • xen-doc-html-4.11.4_04-2.30.1
  • xen-tools-domU-4.11.4_04-2.30.1
  • xen-debugsource-4.11.4_04-2.30.1
  • xen-tools-debuginfo-4.11.4_04-2.30.1
  • xen-tools-domU-debuginfo-4.11.4_04-2.30.1
  • xen-libs-4.11.4_04-2.30.1
  • xen-4.11.4_04-2.30.1
  • xen-libs-debuginfo-4.11.4_04-2.30.1
  • xen-libs-debuginfo-32bit-4.11.4_04-2.30.1
  • xen-tools-4.11.4_04-2.30.1
  • xen-libs-32bit-4.11.4_04-2.30.1

References:

• https://www.suse.com/security/cve/CVE-2020-15563.html
• https://www.suse.com/security/cve/CVE-2020-15565.html
• https://www.suse.com/security/cve/CVE-2020-15566.html
• https://www.suse.com/security/cve/CVE-2020-15567.html
• https://bugzilla.suse.com/show_bug.cgi?id=1173376
• https://bugzilla.suse.com/show_bug.cgi?id=1173377
• https://bugzilla.suse.com/show_bug.cgi?id=1173378
• https://bugzilla.suse.com/show_bug.cgi?id=1173380