Security update for xen

Announcement ID:	SUSE-SU-2022:1285-1
Rating:	important
References:	bsc#1196915 bsc#1197423 bsc#1197425 bsc#1197426
Cross-References:	CVE-2021-26401 CVE-2022-0001 CVE-2022-0002 CVE-2022-26356 CVE-2022-26357 CVE-2022-26358 CVE-2022-26359 CVE-2022-26360 CVE-2022-26361
CVSS scores:	CVE-2021-26401 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-26401 ( NVD ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0001 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0001 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0002 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0002 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-26356 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H CVE-2022-26356 ( NVD ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-26357 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26357 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-26358 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26358 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-26359 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26359 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-26360 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26360 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-26361 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2022-26361 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 9

An update that solves nine vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2022-26356: Fixed potential race conditions in dirty memory tracking that could cause a denial of service in the host (bsc#1197423).
• CVE-2022-26357: Fixed a potential race condition in memory cleanup for hosts using VT-d IOMMU hardware, which could lead to a denial of service in the host (bsc#1197425).
• CVE-2022-26358,CVE-2022-26359,CVE-2022-26360,CVE-2022-26361: Fixed various memory corruption issues for hosts using VT-d or AMD-Vi IOMMU hardware. These could be leveraged by an attacker to cause a denial of service in the host (bsc#1197426).
• CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: Added BHB speculation issue mitigations (bsc#1196915).

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 OpenStack Cloud 9
  zypper in -t patch SUSE-OpenStack-Cloud-9-2022-1285=1
• SUSE OpenStack Cloud Crowbar 9
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2022-1285=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2022-1285=1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2022-1285=1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2022-1285=1

Package List:

• SUSE OpenStack Cloud 9 (x86_64)
  • xen-4.11.4_28-2.73.1
  • xen-doc-html-4.11.4_28-2.73.1
  • xen-tools-4.11.4_28-2.73.1
  • xen-libs-debuginfo-4.11.4_28-2.73.1
  • xen-tools-debuginfo-4.11.4_28-2.73.1
  • xen-libs-4.11.4_28-2.73.1
  • xen-tools-domU-4.11.4_28-2.73.1
  • xen-debugsource-4.11.4_28-2.73.1
  • xen-libs-debuginfo-32bit-4.11.4_28-2.73.1
  • xen-libs-32bit-4.11.4_28-2.73.1
  • xen-tools-domU-debuginfo-4.11.4_28-2.73.1
• SUSE OpenStack Cloud Crowbar 9 (x86_64)
  • xen-4.11.4_28-2.73.1
  • xen-doc-html-4.11.4_28-2.73.1
  • xen-tools-4.11.4_28-2.73.1
  • xen-libs-debuginfo-4.11.4_28-2.73.1
  • xen-tools-debuginfo-4.11.4_28-2.73.1
  • xen-libs-4.11.4_28-2.73.1
  • xen-tools-domU-4.11.4_28-2.73.1
  • xen-debugsource-4.11.4_28-2.73.1
  • xen-libs-debuginfo-32bit-4.11.4_28-2.73.1
  • xen-libs-32bit-4.11.4_28-2.73.1
  • xen-tools-domU-debuginfo-4.11.4_28-2.73.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
  • xen-4.11.4_28-2.73.1
  • xen-doc-html-4.11.4_28-2.73.1
  • xen-tools-4.11.4_28-2.73.1
  • xen-libs-debuginfo-4.11.4_28-2.73.1
  • xen-tools-debuginfo-4.11.4_28-2.73.1
  • xen-libs-4.11.4_28-2.73.1
  • xen-tools-domU-4.11.4_28-2.73.1
  • xen-debugsource-4.11.4_28-2.73.1
  • xen-libs-debuginfo-32bit-4.11.4_28-2.73.1
  • xen-libs-32bit-4.11.4_28-2.73.1
  • xen-tools-domU-debuginfo-4.11.4_28-2.73.1
• SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (x86_64)
  • xen-4.11.4_28-2.73.1
  • xen-doc-html-4.11.4_28-2.73.1
  • xen-tools-4.11.4_28-2.73.1
  • xen-libs-debuginfo-4.11.4_28-2.73.1
  • xen-tools-debuginfo-4.11.4_28-2.73.1
  • xen-libs-4.11.4_28-2.73.1
  • xen-tools-domU-4.11.4_28-2.73.1
  • xen-debugsource-4.11.4_28-2.73.1
  • xen-libs-debuginfo-32bit-4.11.4_28-2.73.1
  • xen-libs-32bit-4.11.4_28-2.73.1
  • xen-tools-domU-debuginfo-4.11.4_28-2.73.1
• SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (x86_64)
  • xen-4.11.4_28-2.73.1
  • xen-doc-html-4.11.4_28-2.73.1
  • xen-tools-4.11.4_28-2.73.1
  • xen-libs-debuginfo-4.11.4_28-2.73.1
  • xen-tools-debuginfo-4.11.4_28-2.73.1
  • xen-libs-4.11.4_28-2.73.1
  • xen-tools-domU-4.11.4_28-2.73.1
  • xen-debugsource-4.11.4_28-2.73.1
  • xen-libs-debuginfo-32bit-4.11.4_28-2.73.1
  • xen-libs-32bit-4.11.4_28-2.73.1
  • xen-tools-domU-debuginfo-4.11.4_28-2.73.1

References:

• https://www.suse.com/security/cve/CVE-2021-26401.html
• https://www.suse.com/security/cve/CVE-2022-0001.html
• https://www.suse.com/security/cve/CVE-2022-0002.html
• https://www.suse.com/security/cve/CVE-2022-26356.html
• https://www.suse.com/security/cve/CVE-2022-26357.html
• https://www.suse.com/security/cve/CVE-2022-26358.html
• https://www.suse.com/security/cve/CVE-2022-26359.html
• https://www.suse.com/security/cve/CVE-2022-26360.html
• https://www.suse.com/security/cve/CVE-2022-26361.html
• https://bugzilla.suse.com/show_bug.cgi?id=1196915
• https://bugzilla.suse.com/show_bug.cgi?id=1197423
• https://bugzilla.suse.com/show_bug.cgi?id=1197425
• https://bugzilla.suse.com/show_bug.cgi?id=1197426