# Security update for xen Announcement ID: SUSE-SU-2023:3831-1 Rating: important References: * #1215145 * #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 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 Real Time 15 SP5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 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 15.5 zypper in -t patch openSUSE-SLE-15.5-2023-3831=1 SUSE-2023-3831=1 * Basesystem Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-3831=1 * Server Applications Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-3831=1 ## Package List: * openSUSE Leap 15.5 (aarch64 x86_64) * xen-tools-debuginfo-4.17.2_04-150500.3.9.1 * xen-4.17.2_04-150500.3.9.1 * xen-doc-html-4.17.2_04-150500.3.9.1 * xen-tools-4.17.2_04-150500.3.9.1 * openSUSE Leap 15.5 (aarch64 x86_64 i586) * xen-tools-domU-debuginfo-4.17.2_04-150500.3.9.1 * xen-devel-4.17.2_04-150500.3.9.1 * xen-libs-4.17.2_04-150500.3.9.1 * xen-tools-domU-4.17.2_04-150500.3.9.1 * xen-debugsource-4.17.2_04-150500.3.9.1 * xen-libs-debuginfo-4.17.2_04-150500.3.9.1 * openSUSE Leap 15.5 (x86_64) * xen-libs-32bit-4.17.2_04-150500.3.9.1 * xen-libs-32bit-debuginfo-4.17.2_04-150500.3.9.1 * openSUSE Leap 15.5 (noarch) * xen-tools-xendomains-wait-disk-4.17.2_04-150500.3.9.1 * openSUSE Leap 15.5 (aarch64_ilp32) * xen-libs-64bit-debuginfo-4.17.2_04-150500.3.9.1 * xen-libs-64bit-4.17.2_04-150500.3.9.1 * Basesystem Module 15-SP5 (x86_64) * xen-tools-domU-debuginfo-4.17.2_04-150500.3.9.1 * xen-libs-4.17.2_04-150500.3.9.1 * xen-tools-domU-4.17.2_04-150500.3.9.1 * xen-debugsource-4.17.2_04-150500.3.9.1 * xen-libs-debuginfo-4.17.2_04-150500.3.9.1 * Server Applications Module 15-SP5 (x86_64) * xen-tools-4.17.2_04-150500.3.9.1 * xen-devel-4.17.2_04-150500.3.9.1 * xen-debugsource-4.17.2_04-150500.3.9.1 * xen-tools-debuginfo-4.17.2_04-150500.3.9.1 * xen-4.17.2_04-150500.3.9.1 * Server Applications Module 15-SP5 (noarch) * xen-tools-xendomains-wait-disk-4.17.2_04-150500.3.9.1 ## 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