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[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":0,"type":"x","order":1,"pct":0,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":3,"type":"x","order":2,"pct":60,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":2,"type":"x","order":4,"pct":40,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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openSUSE 15.5 Xen Important DoS Patch CVE-2026-23554 SUSE-SU-2026-1092-1

An update that solves one vulnerability can now be installed.. # Security update for xen Announcement ID: SUSE-SU-2026:1092-1 Release Date: 2026-03-26T17:51:51Z Rating: important References: * bsc#1259247 Cross-References: * CVE-2026-23554 CVSS scores: * CVE-2026-23554 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-23554 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-23554 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP5 An update that solves one vulnerability can now be installed. ## Description: This update for xen fixes the following issues: * CVE-2026-23554: xen: Use after free of paging structures in EPT (bsc#1259247, XSA-480) ## 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 SUSE-2026-1092=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2026-1092=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1092=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1092=1 * SUSE Linux Enterprise Server 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1092=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 zypper in -t patchSUSE-SLE-Product-SLES_SAP-15-SP5-2026-1092=1 ## Package List: * openSUSE Leap 15.5 (aarch64 x86_64 i586) * xen-devel-4.17.6_06-150500.3.62.2 * xen-debugsource-4.17.6_06-150500.3.62.2 * xen-libs-debuginfo-4.17.6_06-150500.3.62.2 * xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2 * xen-libs-4.17.6_06-150500.3.62.2 * xen-tools-domU-4.17.6_06-150500.3.62.2 * openSUSE Leap 15.5 (x86_64) * xen-libs-32bit-4.17.6_06-150500.3.62.2 * xen-libs-32bit-debuginfo-4.17.6_06-150500.3.62.2 * openSUSE Leap 15.5 (aarch64 x86_64) * xen-doc-html-4.17.6_06-150500.3.62.2 * xen-tools-debuginfo-4.17.6_06-150500.3.62.2 * xen-4.17.6_06-150500.3.62.2 * xen-tools-4.17.6_06-150500.3.62.2 * openSUSE Leap 15.5 (noarch) * xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2 * openSUSE Leap 15.5 (aarch64_ilp32) * xen-libs-64bit-debuginfo-4.17.6_06-150500.3.62.2 * xen-libs-64bit-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise Micro 5.5 (x86_64) * xen-debugsource-4.17.6_06-150500.3.62.2 * xen-libs-debuginfo-4.17.6_06-150500.3.62.2 * xen-libs-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64) * xen-devel-4.17.6_06-150500.3.62.2 * xen-tools-debuginfo-4.17.6_06-150500.3.62.2 * xen-debugsource-4.17.6_06-150500.3.62.2 * xen-libs-debuginfo-4.17.6_06-150500.3.62.2 * xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2 * xen-libs-4.17.6_06-150500.3.62.2 * xen-tools-domU-4.17.6_06-150500.3.62.2 * xen-4.17.6_06-150500.3.62.2 * xen-tools-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch) * xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64) * xen-devel-4.17.6_06-150500.3.62.2 * xen-tools-debuginfo-4.17.6_06-150500.3.62.2 * xen-debugsource-4.17.6_06-150500.3.62.2 * xen-libs-debuginfo-4.17.6_06-150500.3.62.2 *xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2 * xen-libs-4.17.6_06-150500.3.62.2 * xen-tools-domU-4.17.6_06-150500.3.62.2 * xen-4.17.6_06-150500.3.62.2 * xen-tools-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch) * xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64) * xen-devel-4.17.6_06-150500.3.62.2 * xen-tools-debuginfo-4.17.6_06-150500.3.62.2 * xen-debugsource-4.17.6_06-150500.3.62.2 * xen-libs-debuginfo-4.17.6_06-150500.3.62.2 * xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2 * xen-libs-4.17.6_06-150500.3.62.2 * xen-tools-domU-4.17.6_06-150500.3.62.2 * xen-4.17.6_06-150500.3.62.2 * xen-tools-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise Server 15 SP5 LTSS (noarch) * xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64) * xen-devel-4.17.6_06-150500.3.62.2 * xen-tools-debuginfo-4.17.6_06-150500.3.62.2 * xen-debugsource-4.17.6_06-150500.3.62.2 * xen-libs-debuginfo-4.17.6_06-150500.3.62.2 * xen-tools-domU-debuginfo-4.17.6_06-150500.3.62.2 * xen-libs-4.17.6_06-150500.3.62.2 * xen-tools-domU-4.17.6_06-150500.3.62.2 * xen-4.17.6_06-150500.3.62.2 * xen-tools-4.17.6_06-150500.3.62.2 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch) * xen-tools-xendomains-wait-disk-4.17.6_06-150500.3.62.2 ## References: * https://www.suse.com/security/cve/CVE-2026-23554.html * https://bugzilla.suse.com/show_bug.cgi?id=1259247 . Update for openSUSE 15.5 addresses CVE-2026-23554 in xen with critical DoS risks requiring immediate action.. openSUSE security update,xen vulnerability,Denial of Service patch,security advisory SUSE,critical Xen DoS fix. . Severity: Important. LinuxSecurity.com Team

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[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":0,"type":"x","order":1,"pct":0,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":3,"type":"x","order":2,"pct":60,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":2,"type":"x","order":4,"pct":40,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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