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openSUSE Leap 15.3 Xen Moderate Security Update 2026-0303-1

An update that solves six vulnerabilities can now be installed.. # Security update for xen Announcement ID: SUSE-SU-2026:0303-1 Release Date: 2026-01-27T16:14:45Z Rating: moderate References: * bsc#1248807 * bsc#1252692 * bsc#1254180 * bsc#1256745 * bsc#1256747 Cross-References: * CVE-2025-27466 * CVE-2025-58142 * CVE-2025-58143 * CVE-2025-58149 * CVE-2025-58150 * CVE-2026-23553 CVSS scores: * CVE-2025-27466 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H * CVE-2025-27466 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-58142 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H * CVE-2025-58142 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-58143 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2025-58143 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2025-58149 ( SUSE ): 4.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N * CVE-2025-58149 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N * CVE-2025-58149 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N * CVE-2025-58150 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N * CVE-2025-58150 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L * CVE-2026-23553 ( SUSE ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N * CVE-2026-23553 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Affected Products: * openSUSE Leap 15.3 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Micro for Rancher 5.2 An update that solves six vulnerabilities can now be installed. ## Description: This update for xen fixes the following issues: Security fixes: * CVE-2025-58150: Fixed buffer overrun with shadow paging and tracing (XSA-477) (bsc#1256745) * CVE-2026-23553: Fixed incomplete IBPB for vCPU isolation (XSA-479) (bsc#1256747) * CVE-2025-58149: Fixed incorrectremoval od permissions on PCI device unplug allow PV guests to access memory of devices no longer assigned to it (XSA-476) (bsc#1252692) * CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed multiple vulnerabilities in the Viridian interface (XSA-472) (bsc#1248807) Other fixes: * Fixed virtxend service restart. Caused by a failure to start xenstored (bsc#1254180) ## 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 15.3 zypper in -t patch SUSE-2026-303=1 * SUSE Linux Enterprise Micro 5.2 zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-303=1 * SUSE Linux Enterprise Micro for Rancher 5.2 zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-303=1 ## Package List: * openSUSE Leap 15.3 (aarch64 x86_64 i586) * xen-debugsource-4.14.6_28-150300.3.94.1 * xen-devel-4.14.6_28-150300.3.94.1 * xen-tools-domU-debuginfo-4.14.6_28-150300.3.94.1 * xen-libs-4.14.6_28-150300.3.94.1 * xen-libs-debuginfo-4.14.6_28-150300.3.94.1 * xen-tools-domU-4.14.6_28-150300.3.94.1 * openSUSE Leap 15.3 (x86_64) * xen-libs-32bit-4.14.6_28-150300.3.94.1 * xen-libs-32bit-debuginfo-4.14.6_28-150300.3.94.1 * openSUSE Leap 15.3 (aarch64 x86_64) * xen-tools-debuginfo-4.14.6_28-150300.3.94.1 * xen-doc-html-4.14.6_28-150300.3.94.1 * xen-4.14.6_28-150300.3.94.1 * xen-tools-4.14.6_28-150300.3.94.1 * openSUSE Leap 15.3 (noarch) * xen-tools-xendomains-wait-disk-4.14.6_28-150300.3.94.1 * openSUSE Leap 15.3 (aarch64_ilp32) * xen-libs-64bit-debuginfo-4.14.6_28-150300.3.94.1 * xen-libs-64bit-4.14.6_28-150300.3.94.1 * SUSE Linux Enterprise Micro 5.2 (x86_64) * xen-debugsource-4.14.6_28-150300.3.94.1 * xen-libs-4.14.6_28-150300.3.94.1 *xen-libs-debuginfo-4.14.6_28-150300.3.94.1 * SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64) * xen-debugsource-4.14.6_28-150300.3.94.1 * xen-libs-4.14.6_28-150300.3.94.1 * xen-libs-debuginfo-4.14.6_28-150300.3.94.1 ## References: * https://www.suse.com/security/cve/CVE-2025-27466.html * https://www.suse.com/security/cve/CVE-2025-58142.html * https://www.suse.com/security/cve/CVE-2025-58143.html * https://www.suse.com/security/cve/CVE-2025-58149.html * https://www.suse.com/security/cve/CVE-2025-58150.html * https://www.suse.com/security/cve/CVE-2026-23553.html * https://bugzilla.suse.com/show_bug.cgi?id=1248807 * https://bugzilla.suse.com/show_bug.cgi?id=1252692 * https://bugzilla.suse.com/show_bug.cgi?id=1254180 * https://bugzilla.suse.com/show_bug.cgi?id=1256745 * https://bugzilla.suse.com/show_bug.cgi?id=1256747 . Critical update for openSUSE addressing six security flaws in Xen, enhancing system safety and stability.. Moderate Severity Security Xen Patch openSUSE Updates. . LinuxSecurity.com Team

Jan 28, 2026 OpenSUSE