Security update for xen

Announcement ID:	SUSE-SU-2023:4184-1
Rating:	important
References:	bsc#1215744 bsc#1215746 bsc#1215747 bsc#1215748
Cross-References:	CVE-2023-34323 CVE-2023-34325 CVE-2023-34326 CVE-2023-34327 CVE-2023-34328
CVSS scores:	CVE-2023-34323 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-34323 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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
Affected Products:	SUSE CaaS Platform 4.0 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP1

An update that solves five vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2023-34323: Fixed a potential crash in C Xenstored due to an incorrect assertion (XSA-440) (bsc#1215744).
• CVE-2023-34326: Fixed a missing IOMMU TLB flush on x86 AMD systems with IOMMU hardware and PCI passthrough enabled (XSA-442) (bsc#1215746).
• CVE-2023-34325: Fixed multiple parsing issues in libfsimage (XSA-443) (bsc#1215747).
• CVE-2023-34327, CVE-2023-34328: Fixed multiple issues with AMD x86 debugging functionality for guests (XSA-444) (bsc#1215748).

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:

• SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-4184=1
• SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-4184=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP1
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-4184=1
• SUSE CaaS Platform 4.0
  To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

Package List:

• SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (x86_64)
  • xen-libs-4.12.4_40-150100.3.95.1
  • xen-libs-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-domU-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-4.12.4_40-150100.3.95.1
  • xen-tools-domU-4.12.4_40-150100.3.95.1
  • xen-devel-4.12.4_40-150100.3.95.1
  • xen-debugsource-4.12.4_40-150100.3.95.1
  • xen-4.12.4_40-150100.3.95.1
• SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (x86_64)
  • xen-libs-4.12.4_40-150100.3.95.1
  • xen-libs-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-domU-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-4.12.4_40-150100.3.95.1
  • xen-tools-domU-4.12.4_40-150100.3.95.1
  • xen-devel-4.12.4_40-150100.3.95.1
  • xen-debugsource-4.12.4_40-150100.3.95.1
  • xen-4.12.4_40-150100.3.95.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
  • xen-libs-4.12.4_40-150100.3.95.1
  • xen-libs-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-domU-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-4.12.4_40-150100.3.95.1
  • xen-tools-domU-4.12.4_40-150100.3.95.1
  • xen-devel-4.12.4_40-150100.3.95.1
  • xen-debugsource-4.12.4_40-150100.3.95.1
  • xen-4.12.4_40-150100.3.95.1
• SUSE CaaS Platform 4.0 (x86_64)
  • xen-libs-4.12.4_40-150100.3.95.1
  • xen-libs-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-domU-debuginfo-4.12.4_40-150100.3.95.1
  • xen-tools-4.12.4_40-150100.3.95.1
  • xen-tools-domU-4.12.4_40-150100.3.95.1
  • xen-devel-4.12.4_40-150100.3.95.1
  • xen-debugsource-4.12.4_40-150100.3.95.1
  • xen-4.12.4_40-150100.3.95.1

References:

• https://www.suse.com/security/cve/CVE-2023-34323.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://bugzilla.suse.com/show_bug.cgi?id=1215744
• 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