Security update for xen

Announcement ID: SUSE-SU-2022:2569-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2022-21123 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
  • CVE-2022-21123 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2022-21125 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-21125 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2022-21166 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2022-21166 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2022-23816 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-23825 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-23825 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-26362 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-26362 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-26363 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-26363 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-26364 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-26364 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-29900 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2022-29900 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2022-33745 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2022-33745 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2

An update that solves 10 vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

  • CVE-2022-26363, CVE-2022-26364: Fixed insufficient care with non-coherent mappings (XSA-402) (bsc#1199966).
  • CVE-2022-21123, CVE-2022-21125, CVE-2022-21166: Fixed MMIO stale data vulnerabilities on x86 (XSA-404) (bsc#1200549).
  • CVE-2022-26362: Fixed a race condition in typeref acquisition (XSA-401) (bsc#1199965).
  • CVE-2022-33745: Fixed insufficient TLB flush for x86 PV guests in shadow mode (XSA-408) (bsc#1201394).
  • CVE-2022-23816, CVE-2022-23825, CVE-2022-29900: Fixed RETBLEED vulnerability, arbitrary speculative code execution with return instructions (XSA-407) (bsc#1201469).

Special Instructions and Notes:

  • Please reboot the system after installing this update.

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 12 SP2 BCL 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-2569=1

Package List:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • xen-libs-debuginfo-4.7.6_24-43.91.1
    • xen-tools-4.7.6_24-43.91.1
    • xen-tools-debuginfo-4.7.6_24-43.91.1
    • xen-debugsource-4.7.6_24-43.91.1
    • xen-doc-html-4.7.6_24-43.91.1
    • xen-tools-domU-debuginfo-4.7.6_24-43.91.1
    • xen-libs-4.7.6_24-43.91.1
    • xen-libs-32bit-4.7.6_24-43.91.1
    • xen-libs-debuginfo-32bit-4.7.6_24-43.91.1
    • xen-tools-domU-4.7.6_24-43.91.1
    • xen-4.7.6_24-43.91.1

References: