Security update for xen

Announcement ID:	SUSE-SU-2022:3947-1
Rating:	important
References:	bsc#1027519 bsc#1193923 bsc#1203806 bsc#1203807 bsc#1204482 bsc#1204485 bsc#1204487 bsc#1204488 bsc#1204489 bsc#1204490 bsc#1204494 bsc#1204496
Cross-References:	CVE-2022-33746 CVE-2022-33747 CVE-2022-33748 CVE-2022-42309 CVE-2022-42310 CVE-2022-42311 CVE-2022-42312 CVE-2022-42313 CVE-2022-42314 CVE-2022-42315 CVE-2022-42316 CVE-2022-42317 CVE-2022-42318 CVE-2022-42319 CVE-2022-42320 CVE-2022-42321 CVE-2022-42322 CVE-2022-42323 CVE-2022-42325 CVE-2022-42326
CVSS scores:	CVE-2022-33746 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-33746 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-33747 ( NVD ): 3.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L CVE-2022-33748 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-33748 ( NVD ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42309 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2022-42309 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2022-42310 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42310 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-42311 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42311 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42312 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42312 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42313 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42313 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42314 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42314 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42315 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42315 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42316 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42316 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42317 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42317 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42318 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42318 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42319 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42319 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42320 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2022-42320 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-42321 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42321 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-42322 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42322 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-42323 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42323 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-42325 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42325 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-42326 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-42326 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:	Basesystem Module 15-SP3 openSUSE Leap 15.3 Server Applications Module 15-SP3 SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro for Rancher 5.2 SUSE Linux Enterprise Real Time 15 SP3 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server 15 SP3 Business Critical Linux 15-SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Manager Proxy 4.2 SUSE Manager Retail Branch Server 4.2 SUSE Manager Server 4.2

An update that solves 20 vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing (bsc#1203806)
• CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807)
• CVE-2022-42311, CVE-2022-42312, CVE-2022-42313, CVE-2022-42314, CVE-2022-42315, CVE-2022-42316, CVE-2022-42317, CVE-2022-42318: xen: Xenstore: Guests can let xenstored run out of memory (bsc#1204482)
• CVE-2022-42309: xen: Xenstore: Guests can crash xenstored (bsc#1204485)
• CVE-2022-42310: xen: Xenstore: Guests can create orphaned Xenstore nodes (bsc#1204487)
• CVE-2022-42319: xen: Xenstore: Guests can cause Xenstore to not free temporary memory (bsc#1204488)
• CVE-2022-42320: xen: Xenstore: Guests can get access to Xenstore nodes of deleted domains (bsc#1204489)
• CVE-2022-42321: xen: Xenstore: Guests can crash xenstored via exhausting the stack (bsc#1204490)
• CVE-2022-42322,CVE-2022-42323: xen: Xenstore: cooperating guests can create arbitrary numbers of nodes (bsc#1204494)
• CVE-2022-42325,CVE-2022-42326: xen: Xenstore: Guests can create arbitrary number of nodes via transactions (bsc#1204496)
• xen: Frontends vulnerable to backends (bsc#1193923)

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 15.3
  zypper in -t patch SUSE-2022-3947=1
• Basesystem Module 15-SP3
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-3947=1
• Server Applications Module 15-SP3
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-3947=1
• SUSE Linux Enterprise Micro 5.1
  zypper in -t patch SUSE-SUSE-MicroOS-5.1-2022-3947=1
• SUSE Linux Enterprise Micro 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2022-3947=1
• SUSE Linux Enterprise Micro for Rancher 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2022-3947=1

Package List:

• openSUSE Leap 15.3 (aarch64 x86_64 i586)
  • xen-tools-domU-4.14.5_08-150300.3.40.1
  • xen-libs-4.14.5_08-150300.3.40.1
  • xen-debugsource-4.14.5_08-150300.3.40.1
  • xen-libs-debuginfo-4.14.5_08-150300.3.40.1
  • xen-tools-domU-debuginfo-4.14.5_08-150300.3.40.1
  • xen-devel-4.14.5_08-150300.3.40.1
• openSUSE Leap 15.3 (x86_64)
  • xen-libs-32bit-4.14.5_08-150300.3.40.1
  • xen-libs-32bit-debuginfo-4.14.5_08-150300.3.40.1
• openSUSE Leap 15.3 (aarch64 x86_64)
  • xen-doc-html-4.14.5_08-150300.3.40.1
  • xen-tools-debuginfo-4.14.5_08-150300.3.40.1
  • xen-tools-4.14.5_08-150300.3.40.1
  • xen-4.14.5_08-150300.3.40.1
• openSUSE Leap 15.3 (noarch)
  • xen-tools-xendomains-wait-disk-4.14.5_08-150300.3.40.1
• openSUSE Leap 15.3 (aarch64_ilp32)
  • xen-libs-64bit-debuginfo-4.14.5_08-150300.3.40.1
  • xen-libs-64bit-4.14.5_08-150300.3.40.1
• Basesystem Module 15-SP3 (x86_64)
  • xen-tools-domU-4.14.5_08-150300.3.40.1
  • xen-libs-4.14.5_08-150300.3.40.1
  • xen-debugsource-4.14.5_08-150300.3.40.1
  • xen-libs-debuginfo-4.14.5_08-150300.3.40.1
  • xen-tools-domU-debuginfo-4.14.5_08-150300.3.40.1
• Server Applications Module 15-SP3 (x86_64)
  • xen-tools-4.14.5_08-150300.3.40.1
  • xen-debugsource-4.14.5_08-150300.3.40.1
  • xen-4.14.5_08-150300.3.40.1
  • xen-tools-debuginfo-4.14.5_08-150300.3.40.1
  • xen-devel-4.14.5_08-150300.3.40.1
• Server Applications Module 15-SP3 (noarch)
  • xen-tools-xendomains-wait-disk-4.14.5_08-150300.3.40.1
• SUSE Linux Enterprise Micro 5.1 (x86_64)
  • xen-libs-4.14.5_08-150300.3.40.1
  • xen-debugsource-4.14.5_08-150300.3.40.1
  • xen-libs-debuginfo-4.14.5_08-150300.3.40.1
• SUSE Linux Enterprise Micro 5.2 (x86_64)
  • xen-libs-4.14.5_08-150300.3.40.1
  • xen-debugsource-4.14.5_08-150300.3.40.1
  • xen-libs-debuginfo-4.14.5_08-150300.3.40.1
• SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64)
  • xen-libs-4.14.5_08-150300.3.40.1
  • xen-debugsource-4.14.5_08-150300.3.40.1
  • xen-libs-debuginfo-4.14.5_08-150300.3.40.1

References:

• https://www.suse.com/security/cve/CVE-2022-33746.html
• https://www.suse.com/security/cve/CVE-2022-33747.html
• https://www.suse.com/security/cve/CVE-2022-33748.html
• https://www.suse.com/security/cve/CVE-2022-42309.html
• https://www.suse.com/security/cve/CVE-2022-42310.html
• https://www.suse.com/security/cve/CVE-2022-42311.html
• https://www.suse.com/security/cve/CVE-2022-42312.html
• https://www.suse.com/security/cve/CVE-2022-42313.html
• https://www.suse.com/security/cve/CVE-2022-42314.html
• https://www.suse.com/security/cve/CVE-2022-42315.html
• https://www.suse.com/security/cve/CVE-2022-42316.html
• https://www.suse.com/security/cve/CVE-2022-42317.html
• https://www.suse.com/security/cve/CVE-2022-42318.html
• https://www.suse.com/security/cve/CVE-2022-42319.html
• https://www.suse.com/security/cve/CVE-2022-42320.html
• https://www.suse.com/security/cve/CVE-2022-42321.html
• https://www.suse.com/security/cve/CVE-2022-42322.html
• https://www.suse.com/security/cve/CVE-2022-42323.html
• https://www.suse.com/security/cve/CVE-2022-42325.html
• https://www.suse.com/security/cve/CVE-2022-42326.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1193923
• https://bugzilla.suse.com/show_bug.cgi?id=1203806
• https://bugzilla.suse.com/show_bug.cgi?id=1203807
• https://bugzilla.suse.com/show_bug.cgi?id=1204482
• https://bugzilla.suse.com/show_bug.cgi?id=1204485
• https://bugzilla.suse.com/show_bug.cgi?id=1204487
• https://bugzilla.suse.com/show_bug.cgi?id=1204488
• https://bugzilla.suse.com/show_bug.cgi?id=1204489
• https://bugzilla.suse.com/show_bug.cgi?id=1204490
• https://bugzilla.suse.com/show_bug.cgi?id=1204494
• https://bugzilla.suse.com/show_bug.cgi?id=1204496