Security update for xen

Announcement ID:	SUSE-SU-2023:4486-1
Rating:	important
References:	bsc#1216654 bsc#1216807
Cross-References:	CVE-2023-46835 CVE-2023-46836
CVSS scores:	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:	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 two vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• 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).

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-SP5-2023-4486=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4486=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4486=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-4486=1

Package List:

• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
  • xen-devel-4.12.4_42-3.100.1
  • xen-debugsource-4.12.4_42-3.100.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • xen-libs-debuginfo-4.12.4_42-3.100.1
  • xen-libs-4.12.4_42-3.100.1
  • xen-libs-debuginfo-32bit-4.12.4_42-3.100.1
  • xen-tools-domU-debuginfo-4.12.4_42-3.100.1
  • xen-tools-domU-4.12.4_42-3.100.1
  • xen-tools-debuginfo-4.12.4_42-3.100.1
  • xen-debugsource-4.12.4_42-3.100.1
  • xen-doc-html-4.12.4_42-3.100.1
  • xen-4.12.4_42-3.100.1
  • xen-libs-32bit-4.12.4_42-3.100.1
  • xen-tools-4.12.4_42-3.100.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • xen-libs-debuginfo-4.12.4_42-3.100.1
  • xen-libs-4.12.4_42-3.100.1
  • xen-libs-debuginfo-32bit-4.12.4_42-3.100.1
  • xen-tools-domU-debuginfo-4.12.4_42-3.100.1
  • xen-tools-domU-4.12.4_42-3.100.1
  • xen-tools-debuginfo-4.12.4_42-3.100.1
  • xen-debugsource-4.12.4_42-3.100.1
  • xen-doc-html-4.12.4_42-3.100.1
  • xen-4.12.4_42-3.100.1
  • xen-libs-32bit-4.12.4_42-3.100.1
  • xen-tools-4.12.4_42-3.100.1
• SUSE Linux Enterprise Server 12 SP5 (x86_64)
  • xen-libs-debuginfo-4.12.4_42-3.100.1
  • xen-libs-4.12.4_42-3.100.1
  • xen-libs-debuginfo-32bit-4.12.4_42-3.100.1
  • xen-tools-domU-debuginfo-4.12.4_42-3.100.1
  • xen-tools-domU-4.12.4_42-3.100.1
  • xen-tools-debuginfo-4.12.4_42-3.100.1
  • xen-debugsource-4.12.4_42-3.100.1
  • xen-doc-html-4.12.4_42-3.100.1
  • xen-4.12.4_42-3.100.1
  • xen-libs-32bit-4.12.4_42-3.100.1
  • xen-tools-4.12.4_42-3.100.1

References:

• 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=1216654
• https://bugzilla.suse.com/show_bug.cgi?id=1216807