SUSE Security Update: Security update for xen
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Announcement ID:    SUSE-SU-2022:2084-1
Rating:             important
References:         #1199965 #1199966 
Cross-References:   CVE-2022-26362 CVE-2022-26363 CVE-2022-26364
                   
CVSS scores:
                    CVE-2022-26362 (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 (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 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Server 12-SP5
                    SUSE Linux Enterprise Server for SAP Applications 12-SP5
                    SUSE Linux Enterprise Software Development Kit 12-SP5
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   An update that fixes three vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   - CVE-2022-26362: Fixed race condition in typeref acquisition (bsc#1199965)
   - CVE-2022-26363, CVE-2022-26364: Fixed insufficient care with
     non-coherent mappings (bsc#1199966)


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 Software Development Kit 12-SP5:

      zypper in -t patch SUSE-SLE-SDK-12-SP5-2022-2084=1

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2084=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64):

      xen-debugsource-4.12.4_24-3.71.1
      xen-devel-4.12.4_24-3.71.1

   - SUSE Linux Enterprise Server 12-SP5 (x86_64):

      xen-4.12.4_24-3.71.1
      xen-debugsource-4.12.4_24-3.71.1
      xen-doc-html-4.12.4_24-3.71.1
      xen-libs-32bit-4.12.4_24-3.71.1
      xen-libs-4.12.4_24-3.71.1
      xen-libs-debuginfo-32bit-4.12.4_24-3.71.1
      xen-libs-debuginfo-4.12.4_24-3.71.1
      xen-tools-4.12.4_24-3.71.1
      xen-tools-debuginfo-4.12.4_24-3.71.1
      xen-tools-domU-4.12.4_24-3.71.1
      xen-tools-domU-debuginfo-4.12.4_24-3.71.1


References:

   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://bugzilla.suse.com/1199965
   https://bugzilla.suse.com/1199966