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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.5856
                          Security update for xen
                             14 November 2022

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           xen
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-42326 CVE-2022-42325 CVE-2022-42323
                   CVE-2022-42322 CVE-2022-42321 CVE-2022-42320
                   CVE-2022-42319 CVE-2022-42318 CVE-2022-42317
                   CVE-2022-42316 CVE-2022-42315 CVE-2022-42314
                   CVE-2022-42313 CVE-2022-42312 CVE-2022-42311
                   CVE-2022-42310 CVE-2022-42309 CVE-2022-33748
                   CVE-2022-33747 CVE-2022-33746 

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2022/suse-su-20223947-1

Comment: CVSS (Max):  7.5 CVE-2022-42320 (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H)
         CVSS Source: [SUSE], NVD
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

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SUSE Security Update: Security update for xen

______________________________________________________________________________

Announcement ID:   SUSE-SU-2022:3947-1
Rating:            important
References:        #1027519 #1193923 #1203806 #1203807 #1204482 #1204485
                   #1204487 #1204488 #1204489 #1204490 #1204494 #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
Affected Products:
                   SUSE Enterprise Storage 7.1
                   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 Module for Basesystem 15-SP3
                   SUSE Linux Enterprise Module for Server Applications 15-SP3
                   SUSE Linux Enterprise Server 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
                   openSUSE Leap 15.3
                   openSUSE Leap Micro 5.2
______________________________________________________________________________

An update that fixes 20 vulnerabilities is now available.

Description:

This update for xen fixes the following issues:

  o CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing (bsc#
    1203806)
  o CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807)
  o 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)
  o CVE-2022-42309: xen: Xenstore: Guests can crash xenstored (bsc#1204485)
  o CVE-2022-42310: xen: Xenstore: Guests can create orphaned Xenstore nodes
    (bsc#1204487)
  o CVE-2022-42319: xen: Xenstore: Guests can cause Xenstore to not free
    temporary memory (bsc#1204488)
  o CVE-2022-42320: xen: Xenstore: Guests can get access to Xenstore nodes of
    deleted domains (bsc#1204489)
  o CVE-2022-42321: xen: Xenstore: Guests can crash xenstored via exhausting
    the stack (bsc#1204490)
  o CVE-2022-42322,CVE-2022-42323: xen: Xenstore: cooperating guests can create
    arbitrary numbers of nodes (bsc#1204494)
  o CVE-2022-42325,CVE-2022-42326: xen: Xenstore: Guests can create arbitrary
    number of nodes via transactions (bsc#1204496)
  o 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 Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

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

Package List:

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


References:

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

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===========================================================================
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