Security update for xen

Announcement ID: SUSE-SU-2020:1634-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-0543 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2020-0543 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • 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-2020-11743 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 six vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

  • CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or "CrossTalk" (bsc#1172205).
  • CVE-2020-11742: Bad continuation handling in GNTTABOP_copy (bsc#1169392).
  • CVE-2020-11740, CVE-2020-11741: xen: XSA-313 multiple xenoprof issues (bsc#1168140).
  • CVE-2020-11739: Missing memory barriers in read-write unlock paths (bsc#1168142).
  • CVE-2020-11743: Bad error path in GNTTABOP_map_grant (bsc#1168143).
  • Xenstored Crashed during VM install (bsc#1167152)

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-15-2020-1634=1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1634=1
  • SUSE Linux Enterprise Server 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1634=1
  • SUSE Linux Enterprise Server for SAP Applications 15
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1634=1

Package List:

  • SUSE Linux Enterprise Server ESPOS 15 (x86_64)
    • xen-tools-domU-4.10.4_10-3.31.1
    • xen-devel-4.10.4_10-3.31.1
    • xen-libs-4.10.4_10-3.31.1
    • xen-4.10.4_10-3.31.1
    • xen-tools-domU-debuginfo-4.10.4_10-3.31.1
    • xen-libs-debuginfo-4.10.4_10-3.31.1
    • xen-tools-debuginfo-4.10.4_10-3.31.1
    • xen-tools-4.10.4_10-3.31.1
    • xen-debugsource-4.10.4_10-3.31.1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
    • xen-tools-domU-4.10.4_10-3.31.1
    • xen-devel-4.10.4_10-3.31.1
    • xen-libs-4.10.4_10-3.31.1
    • xen-4.10.4_10-3.31.1
    • xen-tools-domU-debuginfo-4.10.4_10-3.31.1
    • xen-libs-debuginfo-4.10.4_10-3.31.1
    • xen-tools-debuginfo-4.10.4_10-3.31.1
    • xen-tools-4.10.4_10-3.31.1
    • xen-debugsource-4.10.4_10-3.31.1
  • SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
    • xen-tools-domU-4.10.4_10-3.31.1
    • xen-devel-4.10.4_10-3.31.1
    • xen-libs-4.10.4_10-3.31.1
    • xen-4.10.4_10-3.31.1
    • xen-tools-domU-debuginfo-4.10.4_10-3.31.1
    • xen-libs-debuginfo-4.10.4_10-3.31.1
    • xen-tools-debuginfo-4.10.4_10-3.31.1
    • xen-tools-4.10.4_10-3.31.1
    • xen-debugsource-4.10.4_10-3.31.1
  • SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
    • xen-tools-domU-4.10.4_10-3.31.1
    • xen-devel-4.10.4_10-3.31.1
    • xen-libs-4.10.4_10-3.31.1
    • xen-4.10.4_10-3.31.1
    • xen-tools-domU-debuginfo-4.10.4_10-3.31.1
    • xen-libs-debuginfo-4.10.4_10-3.31.1
    • xen-tools-debuginfo-4.10.4_10-3.31.1
    • xen-tools-4.10.4_10-3.31.1
    • xen-debugsource-4.10.4_10-3.31.1

References: