Security update for xen

Announcement ID:	SUSE-SU-2022:3925-1
Rating:	important
References:	bsc#1185104 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-2021-28689 CVE-2022-33746 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-2021-28689 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2021-28689 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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-2022-33748 ( 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:	SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15

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-2021-28689: Fixed speculative vulnerabilities with bare (non-shim) 32-bit PV guests (bsc#1185104).
• 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:

• SUSE Linux Enterprise Server ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2022-3925=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2022-3925=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2022-3925=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2022-3925=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (x86_64)
  • xen-debugsource-4.10.4_40-150000.3.84.1
  • xen-tools-domU-debuginfo-4.10.4_40-150000.3.84.1
  • xen-tools-debuginfo-4.10.4_40-150000.3.84.1
  • xen-libs-4.10.4_40-150000.3.84.1
  • xen-tools-4.10.4_40-150000.3.84.1
  • xen-devel-4.10.4_40-150000.3.84.1
  • xen-tools-domU-4.10.4_40-150000.3.84.1
  • xen-libs-debuginfo-4.10.4_40-150000.3.84.1
  • xen-4.10.4_40-150000.3.84.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
  • xen-debugsource-4.10.4_40-150000.3.84.1
  • xen-tools-domU-debuginfo-4.10.4_40-150000.3.84.1
  • xen-tools-debuginfo-4.10.4_40-150000.3.84.1
  • xen-libs-4.10.4_40-150000.3.84.1
  • xen-tools-4.10.4_40-150000.3.84.1
  • xen-devel-4.10.4_40-150000.3.84.1
  • xen-tools-domU-4.10.4_40-150000.3.84.1
  • xen-libs-debuginfo-4.10.4_40-150000.3.84.1
  • xen-4.10.4_40-150000.3.84.1
• SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
  • xen-debugsource-4.10.4_40-150000.3.84.1
  • xen-tools-domU-debuginfo-4.10.4_40-150000.3.84.1
  • xen-tools-debuginfo-4.10.4_40-150000.3.84.1
  • xen-libs-4.10.4_40-150000.3.84.1
  • xen-tools-4.10.4_40-150000.3.84.1
  • xen-devel-4.10.4_40-150000.3.84.1
  • xen-tools-domU-4.10.4_40-150000.3.84.1
  • xen-libs-debuginfo-4.10.4_40-150000.3.84.1
  • xen-4.10.4_40-150000.3.84.1
• SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
  • xen-debugsource-4.10.4_40-150000.3.84.1
  • xen-tools-domU-debuginfo-4.10.4_40-150000.3.84.1
  • xen-tools-debuginfo-4.10.4_40-150000.3.84.1
  • xen-libs-4.10.4_40-150000.3.84.1
  • xen-tools-4.10.4_40-150000.3.84.1
  • xen-devel-4.10.4_40-150000.3.84.1
  • xen-tools-domU-4.10.4_40-150000.3.84.1
  • xen-libs-debuginfo-4.10.4_40-150000.3.84.1
  • xen-4.10.4_40-150000.3.84.1

References:

• https://www.suse.com/security/cve/CVE-2021-28689.html
• https://www.suse.com/security/cve/CVE-2022-33746.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=1185104
• 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