Security update for xen

Announcement ID:	SUSE-SU-2023:4185-1
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 Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Software Development Kit 12 SP5

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 Software Development Kit 12 SP5
  zypper in -t patch SUSE-SLE-SDK-12-SP5-2023-4185=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4185=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4185=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4185=1

Package List:

• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
  • xen-debugsource-4.12.4_40-3.97.1
  • xen-devel-4.12.4_40-3.97.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • xen-doc-html-4.12.4_40-3.97.1
  • xen-libs-32bit-4.12.4_40-3.97.1
  • xen-debugsource-4.12.4_40-3.97.1
  • xen-tools-domU-debuginfo-4.12.4_40-3.97.1
  • xen-libs-debuginfo-4.12.4_40-3.97.1
  • xen-libs-4.12.4_40-3.97.1
  • xen-4.12.4_40-3.97.1
  • xen-libs-debuginfo-32bit-4.12.4_40-3.97.1
  • xen-tools-debuginfo-4.12.4_40-3.97.1
  • xen-tools-4.12.4_40-3.97.1
  • xen-tools-domU-4.12.4_40-3.97.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • xen-doc-html-4.12.4_40-3.97.1
  • xen-libs-32bit-4.12.4_40-3.97.1
  • xen-debugsource-4.12.4_40-3.97.1
  • xen-tools-domU-debuginfo-4.12.4_40-3.97.1
  • xen-libs-debuginfo-4.12.4_40-3.97.1
  • xen-libs-4.12.4_40-3.97.1
  • xen-4.12.4_40-3.97.1
  • xen-libs-debuginfo-32bit-4.12.4_40-3.97.1
  • xen-tools-debuginfo-4.12.4_40-3.97.1
  • xen-tools-4.12.4_40-3.97.1
  • xen-tools-domU-4.12.4_40-3.97.1
• SUSE Linux Enterprise Server 12 SP5 (x86_64)
  • xen-doc-html-4.12.4_40-3.97.1
  • xen-libs-32bit-4.12.4_40-3.97.1
  • xen-debugsource-4.12.4_40-3.97.1
  • xen-tools-domU-debuginfo-4.12.4_40-3.97.1
  • xen-libs-debuginfo-4.12.4_40-3.97.1
  • xen-libs-4.12.4_40-3.97.1
  • xen-4.12.4_40-3.97.1
  • xen-libs-debuginfo-32bit-4.12.4_40-3.97.1
  • xen-tools-debuginfo-4.12.4_40-3.97.1
  • xen-tools-4.12.4_40-3.97.1
  • xen-tools-domU-4.12.4_40-3.97.1

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