Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2021:1028-1
Rating: important
References: #1027519 #1177204 #1179148 #1180690 #1181254 #1181989 #1182576 #1183072
Cross-References:CVE-2021-28687 CVE-2021-3308
Affected Products:
  • SUSE MicroOS 5.0
  • SUSE Linux Enterprise Module for Server Applications 15-SP2
  • SUSE Linux Enterprise Module for Basesystem 15-SP2

An update that solves two vulnerabilities and has 6 fixes is now available.

Description:

This update for xen fixes the following issues:

  • CVE-2021-3308: VUL-0: xen: IRQ vector leak on x86 (bsc#1181254, XSA-360)
  • CVE-2021-28687: HVM soft-reset crashes toolstack (bsc#1183072, XSA-368)
  • L3: conring size for XEN HV's with huge memory to small. Inital Xen logs cut (bsc#1177204)
  • L3: XEN domU crashed on resume when using the xl unpause command (bsc#1182576)
  • L3: xen: no needsreboot flag set (bsc#1180690)
  • kdump of HVM fails, soft-reset not handled by libxl (bsc#1179148)
  • openQA job causes libvirtd to dump core when running kdump inside domain (bsc#1181989)
  • Upstream bug fixes (bsc#1027519)

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 MicroOS 5.0:
    zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-1028=1
  • SUSE Linux Enterprise Module for Server Applications 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-1028=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1028=1

Package List:

  • SUSE MicroOS 5.0 (x86_64):
    • xen-debugsource-4.13.2_08-3.25.3
    • xen-libs-4.13.2_08-3.25.3
    • xen-libs-debuginfo-4.13.2_08-3.25.3
  • SUSE Linux Enterprise Module for Server Applications 15-SP2 (x86_64):
    • xen-4.13.2_08-3.25.3
    • xen-debugsource-4.13.2_08-3.25.3
    • xen-devel-4.13.2_08-3.25.3
    • xen-tools-4.13.2_08-3.25.3
    • xen-tools-debuginfo-4.13.2_08-3.25.3
  • SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):
    • xen-tools-xendomains-wait-disk-4.13.2_08-3.25.3
  • SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64):
    • xen-debugsource-4.13.2_08-3.25.3
    • xen-libs-4.13.2_08-3.25.3
    • xen-libs-debuginfo-4.13.2_08-3.25.3
    • xen-tools-domU-4.13.2_08-3.25.3
    • xen-tools-domU-debuginfo-4.13.2_08-3.25.3

References: