Security update for xen

Announcement ID:	SUSE-SU-2023:3832-1
Rating:	important
References:	bsc#1215145 bsc#1215474
Cross-References:	CVE-2023-20588 CVE-2023-34322
CVSS scores:	CVE-2023-20588 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N CVE-2023-20588 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2023-34322 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2023-34322 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	Basesystem Module 15-SP4 openSUSE Leap 15.4 openSUSE Leap Micro 5.3 openSUSE Leap Micro 5.4 Server Applications Module 15-SP4 SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro for Rancher 5.3 SUSE Linux Enterprise Micro for Rancher 5.4 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3

An update that solves two vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2023-20588: Fixed AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474).
• CVE-2023-34322: Fixed top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145).

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 15.4
  zypper in -t patch SUSE-2023-3832=1 openSUSE-SLE-15.4-2023-3832=1
• openSUSE Leap Micro 5.3
  zypper in -t patch openSUSE-Leap-Micro-5.3-2023-3832=1
• openSUSE Leap Micro 5.4
  zypper in -t patch openSUSE-Leap-Micro-5.4-2023-3832=1
• SUSE Linux Enterprise Micro for Rancher 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2023-3832=1
• SUSE Linux Enterprise Micro 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2023-3832=1
• SUSE Linux Enterprise Micro for Rancher 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2023-3832=1
• SUSE Linux Enterprise Micro 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2023-3832=1
• Basesystem Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-3832=1
• Server Applications Module 15-SP4
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2023-3832=1

Package List:

• openSUSE Leap 15.4 (aarch64 x86_64 i586)
  • xen-tools-domU-debuginfo-4.16.5_04-150400.4.34.1
  • xen-libs-4.16.5_04-150400.4.34.1
  • xen-devel-4.16.5_04-150400.4.34.1
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-libs-debuginfo-4.16.5_04-150400.4.34.1
  • xen-tools-domU-4.16.5_04-150400.4.34.1
• openSUSE Leap 15.4 (x86_64)
  • xen-libs-32bit-debuginfo-4.16.5_04-150400.4.34.1
  • xen-libs-32bit-4.16.5_04-150400.4.34.1
• openSUSE Leap 15.4 (aarch64 x86_64)
  • xen-tools-debuginfo-4.16.5_04-150400.4.34.1
  • xen-doc-html-4.16.5_04-150400.4.34.1
  • xen-tools-4.16.5_04-150400.4.34.1
  • xen-4.16.5_04-150400.4.34.1
• openSUSE Leap 15.4 (noarch)
  • xen-tools-xendomains-wait-disk-4.16.5_04-150400.4.34.1
• openSUSE Leap 15.4 (aarch64_ilp32)
  • xen-libs-64bit-4.16.5_04-150400.4.34.1
  • xen-libs-64bit-debuginfo-4.16.5_04-150400.4.34.1
• openSUSE Leap Micro 5.3 (x86_64)
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-libs-4.16.5_04-150400.4.34.1
  • xen-libs-debuginfo-4.16.5_04-150400.4.34.1
• openSUSE Leap Micro 5.4 (x86_64)
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-libs-4.16.5_04-150400.4.34.1
  • xen-libs-debuginfo-4.16.5_04-150400.4.34.1
• SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64)
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-libs-4.16.5_04-150400.4.34.1
  • xen-libs-debuginfo-4.16.5_04-150400.4.34.1
• SUSE Linux Enterprise Micro 5.3 (x86_64)
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-libs-4.16.5_04-150400.4.34.1
  • xen-libs-debuginfo-4.16.5_04-150400.4.34.1
• SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64)
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-libs-4.16.5_04-150400.4.34.1
  • xen-libs-debuginfo-4.16.5_04-150400.4.34.1
• SUSE Linux Enterprise Micro 5.4 (x86_64)
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-libs-4.16.5_04-150400.4.34.1
  • xen-libs-debuginfo-4.16.5_04-150400.4.34.1
• Basesystem Module 15-SP4 (x86_64)
  • xen-tools-domU-debuginfo-4.16.5_04-150400.4.34.1
  • xen-libs-4.16.5_04-150400.4.34.1
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-libs-debuginfo-4.16.5_04-150400.4.34.1
  • xen-tools-domU-4.16.5_04-150400.4.34.1
• Server Applications Module 15-SP4 (x86_64)
  • xen-4.16.5_04-150400.4.34.1
  • xen-tools-4.16.5_04-150400.4.34.1
  • xen-devel-4.16.5_04-150400.4.34.1
  • xen-debugsource-4.16.5_04-150400.4.34.1
  • xen-tools-debuginfo-4.16.5_04-150400.4.34.1
• Server Applications Module 15-SP4 (noarch)
  • xen-tools-xendomains-wait-disk-4.16.5_04-150400.4.34.1

References:

• https://www.suse.com/security/cve/CVE-2023-20588.html
• https://www.suse.com/security/cve/CVE-2023-34322.html
• https://bugzilla.suse.com/show_bug.cgi?id=1215145
• https://bugzilla.suse.com/show_bug.cgi?id=1215474