Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2020:1124-1
Rating: important
References: #1027519 #1134506 #1155200 #1157490 #1160932 #1165206 #1167007 #1167152 #1168140 #1168142 #1168143 #1169392
Cross-References:CVE-2020-11739 CVE-2020-11740 CVE-2020-11741 CVE-2020-11742 CVE-2020-11743
Affected Products:
  • SUSE Linux Enterprise Module for Server Applications 15-SP1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1

An update that solves 5 vulnerabilities and has 7 fixes is now available.

Description:

This update for xen fixes the following issues:
Security issues fixed:

  • 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).
  • arm: a CPU may speculate past the ERET instruction (bsc#1160932).

Non-security issues fixed:
  • Xenstored Crashed during VM install (bsc#1167152)
  • DomU hang: soft lockup CPU #0 stuck under high load (bsc#1165206, bsc#1134506)
  • Update API compatibility versions, fixes issues for libvirt. (bsc#1167007, bsc#1157490)
  • aacraid blocks xen commands (bsc#1155200)

Patch Instructions:

To install this SUSE Security 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 Module for Server Applications 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2020-1124=1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-1124=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-1124=1

Package List:

  • SUSE Linux Enterprise Module for Server Applications 15-SP1 (x86_64):
    • xen-4.12.2_04-3.15.1
    • xen-debugsource-4.12.2_04-3.15.1
    • xen-devel-4.12.2_04-3.15.1
    • xen-tools-4.12.2_04-3.15.1
    • xen-tools-debuginfo-4.12.2_04-3.15.1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64 x86_64):
    • xen-debugsource-4.12.2_04-3.15.1
    • xen-doc-html-4.12.2_04-3.15.1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64):
    • xen-4.12.2_04-3.15.1
    • xen-devel-4.12.2_04-3.15.1
    • xen-libs-4.12.2_04-3.15.1
    • xen-libs-debuginfo-4.12.2_04-3.15.1
    • xen-tools-4.12.2_04-3.15.1
    • xen-tools-debuginfo-4.12.2_04-3.15.1
    • xen-tools-domU-4.12.2_04-3.15.1
    • xen-tools-domU-debuginfo-4.12.2_04-3.15.1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (x86_64):
    • xen-libs-32bit-4.12.2_04-3.15.1
    • xen-libs-32bit-debuginfo-4.12.2_04-3.15.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64):
    • xen-debugsource-4.12.2_04-3.15.1
    • xen-libs-4.12.2_04-3.15.1
    • xen-libs-debuginfo-4.12.2_04-3.15.1
    • xen-tools-domU-4.12.2_04-3.15.1
    • xen-tools-domU-debuginfo-4.12.2_04-3.15.1

References: