Security update for xen

Announcement ID:	SUSE-SU-2023:4475-1
Rating:	important
References:	bsc#1027519 bsc#1215145 bsc#1215474 bsc#1215746 bsc#1215747 bsc#1215748 bsc#1216654 bsc#1216807
Cross-References:	CVE-2023-20588 CVE-2023-34322 CVE-2023-34325 CVE-2023-34326 CVE-2023-34327 CVE-2023-34328 CVE-2023-46835 CVE-2023-46836
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 CVE-2023-34325 ( SUSE ): 5.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVE-2023-34325 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-34326 ( SUSE ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2023-34326 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-34327 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-34327 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-34328 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-34328 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-46835 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2023-46835 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2023-46836 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2023-46836 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:	Basesystem Module 15-SP5 openSUSE Leap 15.5 Server Applications Module 15-SP5 SUSE Linux Enterprise Desktop 15 SP5 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Real Time 15 SP5 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves eight vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2023-20588: AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474).
• CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145).
• CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443) (bsc#1215747).
• CVE-2023-34326: x86/AMD: missing IOMMU TLB flushing (XSA-442) (bsc#1215746).
• CVE-2023-34327,CVE-2023-34328: x86/AMD: Debug Mask handling (XSA-444) (bsc#1215748).
• CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels (XSA-445) (bsc#1216654).

• CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446) (bsc#1216807).

• Upstream bug fixes (bsc#1027519)

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 15.5
  zypper in -t patch SUSE-2023-4475=1 openSUSE-SLE-15.5-2023-4475=1
• SUSE Linux Enterprise Micro 5.5
  zypper in -t patch SUSE-SLE-Micro-5.5-2023-4475=1
• Basesystem Module 15-SP5
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4475=1
• Server Applications Module 15-SP5
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4475=1

Package List:

• openSUSE Leap 15.5 (aarch64 x86_64 i586)
  • xen-libs-4.17.2_08-150500.3.15.1
  • xen-tools-domU-4.17.2_08-150500.3.15.1
  • xen-libs-debuginfo-4.17.2_08-150500.3.15.1
  • xen-tools-domU-debuginfo-4.17.2_08-150500.3.15.1
  • xen-devel-4.17.2_08-150500.3.15.1
  • xen-debugsource-4.17.2_08-150500.3.15.1
• openSUSE Leap 15.5 (x86_64)
  • xen-libs-32bit-debuginfo-4.17.2_08-150500.3.15.1
  • xen-libs-32bit-4.17.2_08-150500.3.15.1
• openSUSE Leap 15.5 (aarch64 x86_64)
  • xen-tools-4.17.2_08-150500.3.15.1
  • xen-doc-html-4.17.2_08-150500.3.15.1
  • xen-4.17.2_08-150500.3.15.1
  • xen-tools-debuginfo-4.17.2_08-150500.3.15.1
• openSUSE Leap 15.5 (noarch)
  • xen-tools-xendomains-wait-disk-4.17.2_08-150500.3.15.1
• openSUSE Leap 15.5 (aarch64_ilp32)
  • xen-libs-64bit-debuginfo-4.17.2_08-150500.3.15.1
  • xen-libs-64bit-4.17.2_08-150500.3.15.1
• SUSE Linux Enterprise Micro 5.5 (x86_64)
  • xen-libs-4.17.2_08-150500.3.15.1
  • xen-debugsource-4.17.2_08-150500.3.15.1
  • xen-libs-debuginfo-4.17.2_08-150500.3.15.1
• Basesystem Module 15-SP5 (x86_64)
  • xen-libs-4.17.2_08-150500.3.15.1
  • xen-tools-domU-4.17.2_08-150500.3.15.1
  • xen-libs-debuginfo-4.17.2_08-150500.3.15.1
  • xen-tools-domU-debuginfo-4.17.2_08-150500.3.15.1
  • xen-debugsource-4.17.2_08-150500.3.15.1
• Server Applications Module 15-SP5 (x86_64)
  • xen-tools-4.17.2_08-150500.3.15.1
  • xen-4.17.2_08-150500.3.15.1
  • xen-devel-4.17.2_08-150500.3.15.1
  • xen-debugsource-4.17.2_08-150500.3.15.1
  • xen-tools-debuginfo-4.17.2_08-150500.3.15.1
• Server Applications Module 15-SP5 (noarch)
  • xen-tools-xendomains-wait-disk-4.17.2_08-150500.3.15.1

References:

• https://www.suse.com/security/cve/CVE-2023-20588.html
• https://www.suse.com/security/cve/CVE-2023-34322.html
• https://www.suse.com/security/cve/CVE-2023-34325.html
• https://www.suse.com/security/cve/CVE-2023-34326.html
• https://www.suse.com/security/cve/CVE-2023-34327.html
• https://www.suse.com/security/cve/CVE-2023-34328.html
• https://www.suse.com/security/cve/CVE-2023-46835.html
• https://www.suse.com/security/cve/CVE-2023-46836.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1215145
• https://bugzilla.suse.com/show_bug.cgi?id=1215474
• https://bugzilla.suse.com/show_bug.cgi?id=1215746
• https://bugzilla.suse.com/show_bug.cgi?id=1215747
• https://bugzilla.suse.com/show_bug.cgi?id=1215748
• https://bugzilla.suse.com/show_bug.cgi?id=1216654
• https://bugzilla.suse.com/show_bug.cgi?id=1216807