Security update for xen

Announcement ID:	SUSE-SU-2020:1888-1
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 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15

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 Linux Enterprise Server ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1888=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1888=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1888=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1888=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (x86_64)
  • xen-tools-domU-debuginfo-4.10.4_12-3.35.1
  • xen-tools-4.10.4_12-3.35.1
  • xen-libs-debuginfo-4.10.4_12-3.35.1
  • xen-debugsource-4.10.4_12-3.35.1
  • xen-4.10.4_12-3.35.1
  • xen-libs-4.10.4_12-3.35.1
  • xen-tools-debuginfo-4.10.4_12-3.35.1
  • xen-tools-domU-4.10.4_12-3.35.1
  • xen-devel-4.10.4_12-3.35.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
  • xen-tools-domU-debuginfo-4.10.4_12-3.35.1
  • xen-tools-4.10.4_12-3.35.1
  • xen-libs-debuginfo-4.10.4_12-3.35.1
  • xen-debugsource-4.10.4_12-3.35.1
  • xen-4.10.4_12-3.35.1
  • xen-libs-4.10.4_12-3.35.1
  • xen-tools-debuginfo-4.10.4_12-3.35.1
  • xen-tools-domU-4.10.4_12-3.35.1
  • xen-devel-4.10.4_12-3.35.1
• SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
  • xen-tools-domU-debuginfo-4.10.4_12-3.35.1
  • xen-tools-4.10.4_12-3.35.1
  • xen-libs-debuginfo-4.10.4_12-3.35.1
  • xen-debugsource-4.10.4_12-3.35.1
  • xen-4.10.4_12-3.35.1
  • xen-libs-4.10.4_12-3.35.1
  • xen-tools-debuginfo-4.10.4_12-3.35.1
  • xen-tools-domU-4.10.4_12-3.35.1
  • xen-devel-4.10.4_12-3.35.1
• SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
  • xen-tools-domU-debuginfo-4.10.4_12-3.35.1
  • xen-tools-4.10.4_12-3.35.1
  • xen-libs-debuginfo-4.10.4_12-3.35.1
  • xen-debugsource-4.10.4_12-3.35.1
  • xen-4.10.4_12-3.35.1
  • xen-libs-4.10.4_12-3.35.1
  • xen-tools-debuginfo-4.10.4_12-3.35.1
  • xen-tools-domU-4.10.4_12-3.35.1
  • xen-devel-4.10.4_12-3.35.1

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