SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:3727-1 Rating: moderate References: #1027519 #1167608 #1201631 #1201994 #1203806 #1203807 Cross-References: CVE-2022-33746 CVE-2022-33748 CVSS scores: CVE-2022-33746 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-33746 (SUSE): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-33748 (NVD) : 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-33748 (SUSE): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H Affected Products: SUSE Linux Enterprise Desktop 15-SP4 SUSE Linux Enterprise High Performance Computing 15-SP4 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Module for Basesystem 15-SP4 SUSE Linux Enterprise Module for Server Applications 15-SP4 SUSE Linux Enterprise Server 15-SP4 SUSE Linux Enterprise Server for SAP Applications 15-SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3 openSUSE Leap 15.4 ______________________________________________________________________________ An update that solves two vulnerabilities and has four fixes is now available. Description: This update for xen fixes the following issues: Updated to version 4.16.2 (bsc#1027519): - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing (bsc#1203806). - CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807). Bugfixes: - Fixed Xen DomU unable to emulate audio device (bsc#1201994). - Fixed logic error in built-in default of max_event_channels (bsc#1167608, bsc#1201631). Patch Instructions: To install this SUSE Security 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 15.4: zypper in -t patch openSUSE-SLE-15.4-2022-3727=1 - SUSE Linux Enterprise Module for Server Applications 15-SP4: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2022-3727=1 - SUSE Linux Enterprise Module for Basesystem 15-SP4: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-3727=1 - SUSE Linux Enterprise Micro 5.3: zypper in -t patch SUSE-SLE-Micro-5.3-2022-3727=1 Package List: - openSUSE Leap 15.4 (aarch64 x86_64): xen-4.16.2_06-150400.4.11.1 xen-debugsource-4.16.2_06-150400.4.11.1 xen-devel-4.16.2_06-150400.4.11.1 xen-doc-html-4.16.2_06-150400.4.11.1 xen-libs-4.16.2_06-150400.4.11.1 xen-libs-debuginfo-4.16.2_06-150400.4.11.1 xen-tools-4.16.2_06-150400.4.11.1 xen-tools-debuginfo-4.16.2_06-150400.4.11.1 xen-tools-domU-4.16.2_06-150400.4.11.1 xen-tools-domU-debuginfo-4.16.2_06-150400.4.11.1 - openSUSE Leap 15.4 (x86_64): xen-libs-32bit-4.16.2_06-150400.4.11.1 xen-libs-32bit-debuginfo-4.16.2_06-150400.4.11.1 - openSUSE Leap 15.4 (noarch): xen-tools-xendomains-wait-disk-4.16.2_06-150400.4.11.1 - SUSE Linux Enterprise Module for Server Applications 15-SP4 (x86_64): xen-4.16.2_06-150400.4.11.1 xen-debugsource-4.16.2_06-150400.4.11.1 xen-devel-4.16.2_06-150400.4.11.1 xen-tools-4.16.2_06-150400.4.11.1 xen-tools-debuginfo-4.16.2_06-150400.4.11.1 - SUSE Linux Enterprise Module for Server Applications 15-SP4 (noarch): xen-tools-xendomains-wait-disk-4.16.2_06-150400.4.11.1 - SUSE Linux Enterprise Module for Basesystem 15-SP4 (x86_64): xen-debugsource-4.16.2_06-150400.4.11.1 xen-libs-4.16.2_06-150400.4.11.1 xen-libs-debuginfo-4.16.2_06-150400.4.11.1 xen-tools-domU-4.16.2_06-150400.4.11.1 xen-tools-domU-debuginfo-4.16.2_06-150400.4.11.1 - SUSE Linux Enterprise Micro 5.3 (x86_64): xen-debugsource-4.16.2_06-150400.4.11.1 xen-libs-4.16.2_06-150400.4.11.1 xen-libs-debuginfo-4.16.2_06-150400.4.11.1 References: https://www.suse.com/security/cve/CVE-2022-33746.html https://www.suse.com/security/cve/CVE-2022-33748.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1167608 https://bugzilla.suse.com/1201631 https://bugzilla.suse.com/1201994 https://bugzilla.suse.com/1203806 https://bugzilla.suse.com/1203807