Security update for xen

Announcement ID:	SUSE-SU-2022:2597-1
Rating:	important
References:	bsc#1027519 bsc#1199965 bsc#1199966 bsc#1200549 bsc#1201394 bsc#1201469
Cross-References:	CVE-2022-21123 CVE-2022-21125 CVE-2022-21166 CVE-2022-23816 CVE-2022-23825 CVE-2022-26362 CVE-2022-26363 CVE-2022-26364 CVE-2022-29900 CVE-2022-33745
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:	Basesystem Module 15-SP4 openSUSE Leap 15.4 Server Applications Module 15-SP4 SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3

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).

Fixed several upstream bugs (bsc#1027519).

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:

• openSUSE Leap 15.4
  zypper in -t patch openSUSE-SLE-15.4-2022-2597=1
• Basesystem Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-2597=1
• Server Applications Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2022-2597=1

Package List:

• openSUSE Leap 15.4 (aarch64 x86_64)
  • xen-libs-debuginfo-4.16.1_06-150400.4.8.1
  • xen-doc-html-4.16.1_06-150400.4.8.1
  • xen-devel-4.16.1_06-150400.4.8.1
  • xen-debugsource-4.16.1_06-150400.4.8.1
  • xen-tools-domU-debuginfo-4.16.1_06-150400.4.8.1
  • xen-tools-4.16.1_06-150400.4.8.1
  • xen-tools-debuginfo-4.16.1_06-150400.4.8.1
  • xen-libs-4.16.1_06-150400.4.8.1
  • xen-tools-domU-4.16.1_06-150400.4.8.1
  • xen-4.16.1_06-150400.4.8.1
• openSUSE Leap 15.4 (x86_64)
  • xen-libs-32bit-debuginfo-4.16.1_06-150400.4.8.1
  • xen-libs-32bit-4.16.1_06-150400.4.8.1
• openSUSE Leap 15.4 (noarch)
  • xen-tools-xendomains-wait-disk-4.16.1_06-150400.4.8.1
• Basesystem Module 15-SP4 (x86_64)
  • xen-libs-debuginfo-4.16.1_06-150400.4.8.1
  • xen-tools-domU-debuginfo-4.16.1_06-150400.4.8.1
  • xen-debugsource-4.16.1_06-150400.4.8.1
  • xen-libs-4.16.1_06-150400.4.8.1
  • xen-tools-domU-4.16.1_06-150400.4.8.1
• Server Applications Module 15-SP4 (x86_64)
  • xen-devel-4.16.1_06-150400.4.8.1
  • xen-debugsource-4.16.1_06-150400.4.8.1
  • xen-tools-4.16.1_06-150400.4.8.1
  • xen-tools-debuginfo-4.16.1_06-150400.4.8.1
  • xen-4.16.1_06-150400.4.8.1
• Server Applications Module 15-SP4 (noarch)
  • xen-tools-xendomains-wait-disk-4.16.1_06-150400.4.8.1

References:

• https://www.suse.com/security/cve/CVE-2022-21123.html
• https://www.suse.com/security/cve/CVE-2022-21125.html
• https://www.suse.com/security/cve/CVE-2022-21166.html
• https://www.suse.com/security/cve/CVE-2022-23816.html
• https://www.suse.com/security/cve/CVE-2022-23825.html
• https://www.suse.com/security/cve/CVE-2022-26362.html
• https://www.suse.com/security/cve/CVE-2022-26363.html
• https://www.suse.com/security/cve/CVE-2022-26364.html
• https://www.suse.com/security/cve/CVE-2022-29900.html
• https://www.suse.com/security/cve/CVE-2022-33745.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1199965
• https://bugzilla.suse.com/show_bug.cgi?id=1199966
• https://bugzilla.suse.com/show_bug.cgi?id=1200549
• https://bugzilla.suse.com/show_bug.cgi?id=1201394
• https://bugzilla.suse.com/show_bug.cgi?id=1201469