Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2021:2957-1
Rating: important
References: #1182654 #1186429 #1186433 #1186434 #1187369 #1187376 #1187378 #1189373 #1189376 #1189378 #1189380 #1189882
Cross-References:CVE-2021-0089 CVE-2021-20255 CVE-2021-28690 CVE-2021-28692 CVE-2021-28694 CVE-2021-28695 CVE-2021-28696 CVE-2021-28697 CVE-2021-28698 CVE-2021-28699 CVE-2021-3592 CVE-2021-3594 CVE-2021-3595
Affected Products:
  • SUSE OpenStack Cloud Crowbar 8
  • SUSE OpenStack Cloud 8
  • SUSE Linux Enterprise Server for SAP 12-SP3
  • SUSE Linux Enterprise Server 12-SP3-LTSS
  • SUSE Linux Enterprise Server 12-SP3-BCL
  • HPE Helion Openstack 8

An update that fixes 13 vulnerabilities is now available.

Description:

This update for xen fixes the following issues:

  • CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure (udp)(bsc#1187378).
  • CVE-2021-3595: slirp: invalid pointer initialization may lead to information disclosure (tftp)(bsc#1187376).
  • CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).
  • CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).
  • CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654)
  • CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)
  • CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)
  • CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).
  • CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)
  • CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).
  • CVE-2021-3592: slirp: invalid pointer initialization may lead to information disclosure (bootp)(bsc#1187369).

  • Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).

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 OpenStack Cloud Crowbar 8:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-2957=1
  • SUSE OpenStack Cloud 8:
    zypper in -t patch SUSE-OpenStack-Cloud-8-2021-2957=1
  • SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-2957=1
  • SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-2957=1
  • SUSE Linux Enterprise Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-2957=1
  • HPE Helion Openstack 8:
    zypper in -t patch HPE-Helion-OpenStack-8-2021-2957=1

Package List:

  • SUSE OpenStack Cloud Crowbar 8 (x86_64):
    • xen-4.9.4_20-3.91.1
    • xen-debugsource-4.9.4_20-3.91.1
    • xen-doc-html-4.9.4_20-3.91.1
    • xen-libs-32bit-4.9.4_20-3.91.1
    • xen-libs-4.9.4_20-3.91.1
    • xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
    • xen-libs-debuginfo-4.9.4_20-3.91.1
    • xen-tools-4.9.4_20-3.91.1
    • xen-tools-debuginfo-4.9.4_20-3.91.1
    • xen-tools-domU-4.9.4_20-3.91.1
    • xen-tools-domU-debuginfo-4.9.4_20-3.91.1
  • SUSE OpenStack Cloud 8 (x86_64):
    • xen-4.9.4_20-3.91.1
    • xen-debugsource-4.9.4_20-3.91.1
    • xen-doc-html-4.9.4_20-3.91.1
    • xen-libs-32bit-4.9.4_20-3.91.1
    • xen-libs-4.9.4_20-3.91.1
    • xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
    • xen-libs-debuginfo-4.9.4_20-3.91.1
    • xen-tools-4.9.4_20-3.91.1
    • xen-tools-debuginfo-4.9.4_20-3.91.1
    • xen-tools-domU-4.9.4_20-3.91.1
    • xen-tools-domU-debuginfo-4.9.4_20-3.91.1
  • SUSE Linux Enterprise Server for SAP 12-SP3 (x86_64):
    • xen-4.9.4_20-3.91.1
    • xen-debugsource-4.9.4_20-3.91.1
    • xen-doc-html-4.9.4_20-3.91.1
    • xen-libs-32bit-4.9.4_20-3.91.1
    • xen-libs-4.9.4_20-3.91.1
    • xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
    • xen-libs-debuginfo-4.9.4_20-3.91.1
    • xen-tools-4.9.4_20-3.91.1
    • xen-tools-debuginfo-4.9.4_20-3.91.1
    • xen-tools-domU-4.9.4_20-3.91.1
    • xen-tools-domU-debuginfo-4.9.4_20-3.91.1
  • SUSE Linux Enterprise Server 12-SP3-LTSS (x86_64):
    • xen-4.9.4_20-3.91.1
    • xen-debugsource-4.9.4_20-3.91.1
    • xen-doc-html-4.9.4_20-3.91.1
    • xen-libs-32bit-4.9.4_20-3.91.1
    • xen-libs-4.9.4_20-3.91.1
    • xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
    • xen-libs-debuginfo-4.9.4_20-3.91.1
    • xen-tools-4.9.4_20-3.91.1
    • xen-tools-debuginfo-4.9.4_20-3.91.1
    • xen-tools-domU-4.9.4_20-3.91.1
    • xen-tools-domU-debuginfo-4.9.4_20-3.91.1
  • SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
    • xen-4.9.4_20-3.91.1
    • xen-debugsource-4.9.4_20-3.91.1
    • xen-doc-html-4.9.4_20-3.91.1
    • xen-libs-32bit-4.9.4_20-3.91.1
    • xen-libs-4.9.4_20-3.91.1
    • xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
    • xen-libs-debuginfo-4.9.4_20-3.91.1
    • xen-tools-4.9.4_20-3.91.1
    • xen-tools-debuginfo-4.9.4_20-3.91.1
    • xen-tools-domU-4.9.4_20-3.91.1
    • xen-tools-domU-debuginfo-4.9.4_20-3.91.1
  • HPE Helion Openstack 8 (x86_64):
    • xen-4.9.4_20-3.91.1
    • xen-debugsource-4.9.4_20-3.91.1
    • xen-doc-html-4.9.4_20-3.91.1
    • xen-libs-32bit-4.9.4_20-3.91.1
    • xen-libs-4.9.4_20-3.91.1
    • xen-libs-debuginfo-32bit-4.9.4_20-3.91.1
    • xen-libs-debuginfo-4.9.4_20-3.91.1
    • xen-tools-4.9.4_20-3.91.1
    • xen-tools-debuginfo-4.9.4_20-3.91.1
    • xen-tools-domU-4.9.4_20-3.91.1
    • xen-tools-domU-debuginfo-4.9.4_20-3.91.1

References: