{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for xen","title":"Title of the patch"},{"category":"description","text":"This update for xen fixes the following issues:\n\n  - CVE-2025-58147, CVE-2025-58148: Fixed incorrect input sanitisation in Viridian hypercalls (bsc#1251271, XSA-475)\n  - CVE-2025-27466, CVE-2025-58142, CVE-2025-58143: Fixed mutiple vulnerabilities in the Viridian interface (bsc#1248807, XSA-472)\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2025-3843,SUSE-SLE-Micro-5.3-2025-3843,SUSE-SLE-Micro-5.4-2025-3843,SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-3843,SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-3843,SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-3843,SUSE-SLE-Product-SLES_SAP-15-SP4-2025-3843,SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-LTS-2025-3843,SUSE-SLE-Product-SUSE-Manager-Server-4.3-LTS-2025-3843","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_3843-1.json"},{"category":"self","summary":"URL for SUSE-SU-2025:3843-1","url":"https://www.suse.com/support/update/announcement/2025/suse-su-20253843-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2025:3843-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2025-October/023077.html"},{"category":"self","summary":"SUSE Bug 1248807","url":"https://bugzilla.suse.com/1248807"},{"category":"self","summary":"SUSE Bug 1251271","url":"https://bugzilla.suse.com/1251271"},{"category":"self","summary":"SUSE CVE CVE-2025-27466 page","url":"https://www.suse.com/security/cve/CVE-2025-27466/"},{"category":"self","summary":"SUSE CVE CVE-2025-58142 page","url":"https://www.suse.com/security/cve/CVE-2025-58142/"},{"category":"self","summary":"SUSE CVE CVE-2025-58143 page","url":"https://www.suse.com/security/cve/CVE-2025-58143/"},{"category":"self","summary":"SUSE CVE CVE-2025-58147 page","url":"https://www.suse.com/security/cve/CVE-2025-58147/"},{"category":"self","summary":"SUSE CVE CVE-2025-58148 page","url":"https://www.suse.com/security/cve/CVE-2025-58148/"}],"title":"Security update for xen","tracking":{"current_release_date":"2025-10-28T16:40:49Z","generator":{"date":"2025-10-28T16:40:49Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2025:3843-1","initial_release_date":"2025-10-28T16:40:49Z","revision_history":[{"date":"2025-10-28T16:40:49Z","number":"1","summary":"Current 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This is CVE-2025-58143.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-devel-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-libs-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-domU-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-xendomains-wait-disk-4.16.7_04-150400.4.75.1.noarch","SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:xen-devel-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 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A NULL pointer dereference in the updating of the reference TSC area.\n    This is CVE-2025-27466.\n\n 2. A NULL pointer dereference by assuming the SIM page is mapped when\n    a synthetic timer message has to be delivered.  This is\n    CVE-2025-58142.\n\n 3. A race in the mapping of the reference TSC page, where a guest can\n    get Xen to free a page while still present in the guest physical to\n    machine (p2m) page tables.  This is CVE-2025-58143.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-devel-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-libs-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-domU-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-xendomains-wait-disk-4.16.7_04-150400.4.75.1.noarch","SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:xen-devel-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 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A NULL pointer dereference in the updating of the reference TSC area.\n    This is CVE-2025-27466.\n\n 2. A NULL pointer dereference by assuming the SIM page is mapped when\n    a synthetic timer message has to be delivered.  This is\n    CVE-2025-58142.\n\n 3. A race in the mapping of the reference TSC page, where a guest can\n    get Xen to free a page while still present in the guest physical to\n    machine (p2m) page tables.  This is CVE-2025-58143.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-devel-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-libs-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-domU-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-xendomains-wait-disk-4.16.7_04-150400.4.75.1.noarch","SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:xen-devel-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 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Xen has boundary checking bugs with all three\nformats, which can cause out-of-bounds reads and writes while processing\nthe inputs.\n\n * CVE-2025-58147.  Hypercalls using the HV_VP_SET Sparse format can\n   cause vpmask_set() to write out of bounds when converting the bitmap\n   to Xen's format.\n\n * CVE-2025-58148.  Hypercalls using any input format can cause\n   send_ipi() to read d->vcpu[] out-of-bounds, and operate on a wild\n   vCPU pointer.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-devel-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-libs-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-domU-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-xendomains-wait-disk-4.16.7_04-150400.4.75.1.noarch","SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 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Xen has boundary checking bugs with all three\nformats, which can cause out-of-bounds reads and writes while processing\nthe inputs.\n\n * CVE-2025-58147.  Hypercalls using the HV_VP_SET Sparse format can\n   cause vpmask_set() to write out of bounds when converting the bitmap\n   to Xen's format.\n\n * CVE-2025-58148.  Hypercalls using any input format can cause\n   send_ipi() to read d->vcpu[] out-of-bounds, and operate on a wild\n   vCPU pointer.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-devel-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-libs-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-domU-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:xen-tools-xendomains-wait-disk-4.16.7_04-150400.4.75.1.noarch","SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:xen-4.16.7_04-150400.4.75.1.x86_64","SUSE Linux Enterprise High Performance Computing 15 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