SUSE Security Update: Security update for xen
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Announcement ID:    SUSE-SU-2022:0333-1
Rating:             important
References:         #1194576 #1194581 #1194588 
Cross-References:   CVE-2022-23033 CVE-2022-23034 CVE-2022-23035
                   
CVSS scores:
                    CVE-2022-23034 (SUSE): 4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
                    CVE-2022-23035 (SUSE): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected Products:
                    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 Linux Enterprise High Performance Computing 15-SP3
                    SUSE Manager Server 4.2
                    SUSE Manager Proxy 4.2
                    SUSE Linux Enterprise Module for Basesystem 15-SP3
                    SUSE Linux Enterprise Server 15-SP3
                    SUSE Linux Enterprise Desktop 15-SP3
                    SUSE Linux Enterprise Server for SAP Applications 15-SP3
                    SUSE Linux Enterprise High Performance Computing 15-SP3
                    SUSE Manager Server 4.2
                    SUSE Manager Proxy 4.2
                    SUSE Linux Enterprise Micro 5.1
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   An update that fixes three vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   - CVE-2022-23033: Fixed guest_physmap_remove_page not removing the p2m
     mappings. (XSA-393) (bsc#1194576)
   - CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a
     grant. (XSA-394) (bsc#1194581)
   - CVE-2022-23035: Fixed insufficient cleanup of passed-through device
     IRQs. (XSA-395) (bsc#1194588)


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:

   - SUSE Linux Enterprise Module for Server Applications 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-333=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-333=1

   - SUSE Linux Enterprise Micro 5.1:

      zypper in -t patch SUSE-SUSE-MicroOS-5.1-2022-333=1



Package List:

   - SUSE Linux Enterprise Module for Server Applications 15-SP3 (x86_64):

      xen-4.14.3_06-150300.3.18.2
      xen-debugsource-4.14.3_06-150300.3.18.2
      xen-devel-4.14.3_06-150300.3.18.2
      xen-tools-4.14.3_06-150300.3.18.2
      xen-tools-debuginfo-4.14.3_06-150300.3.18.2

   - SUSE Linux Enterprise Module for Server Applications 15-SP3 (noarch):

      xen-tools-xendomains-wait-disk-4.14.3_06-150300.3.18.2

   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (x86_64):

      xen-debugsource-4.14.3_06-150300.3.18.2
      xen-libs-4.14.3_06-150300.3.18.2
      xen-libs-debuginfo-4.14.3_06-150300.3.18.2
      xen-tools-domU-4.14.3_06-150300.3.18.2
      xen-tools-domU-debuginfo-4.14.3_06-150300.3.18.2

   - SUSE Linux Enterprise Micro 5.1 (x86_64):

      xen-debugsource-4.14.3_06-150300.3.18.2
      xen-libs-4.14.3_06-150300.3.18.2
      xen-libs-debuginfo-4.14.3_06-150300.3.18.2


References:

   https://www.suse.com/security/cve/CVE-2022-23033.html
   https://www.suse.com/security/cve/CVE-2022-23034.html
   https://www.suse.com/security/cve/CVE-2022-23035.html
   https://bugzilla.suse.com/1194576
   https://bugzilla.suse.com/1194581
   https://bugzilla.suse.com/1194588