CVE-2025-64437

{"id": "CVE-2025-64437", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.0, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 3.7, "exploitabilityScore": 0.8}]}, "published": "2025-11-07T23:15:46.147", "references": [{"url": "https://github.com/kubevirt/kubevirt/commit/3ce9f41c54d04a65f10b23a46771391c00659afb", "tags": ["Patch"], "source": "[email protected]"}, {"url": "https://github.com/kubevirt/kubevirt/commit/8644dbe0d04784b0bfa8395b91ecbd6001f88f6b", "tags": ["Patch"], "source": "[email protected]"}, {"url": "https://github.com/kubevirt/kubevirt/commit/f59ca63133f25de8fceb3e2a0e5cc0b7bdb6a265", "tags": ["Patch"], "source": "[email protected]"}, {"url": "https://github.com/kubevirt/kubevirt/security/advisories/GHSA-2r4r-5x78-mvqf", "tags": ["Exploit", "Vendor Advisory"], "source": "[email protected]"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "KubeVirt is a virtual machine management add-on for Kubernetes. In versions before 1.5.3 and 1.6.1, the virt-handler does not verify whether the launcher-sock is a symlink or a regular file. This oversight can be exploited, for example, to change the ownership of arbitrary files on the host node to the unprivileged user with UID 107 (the same user used by virt-launcher) thus, compromising the CIA (Confidentiality, Integrity and Availability) of data on the host. To successfully exploit this vulnerability, an attacker should be in control of the file system of the virt-launcher pod. This vulnerability is fixed in 1.5.3 and 1.6.1."}, {"lang": "es", "value": "KubeVirt es un complemento de gesti\u00f3n de m\u00e1quinas virtuales para Kubernetes. En versiones anteriores a la 1.5.3 y 1.6.1, el virt-handler no verifica si el launcher-sock es un enlace simb\u00f3lico o un archivo regular. Este descuido puede ser explotado, por ejemplo, para cambiar la propiedad de archivos arbitrarios en el nodo anfitri\u00f3n al usuario sin privilegios con UID 107 (el mismo usuario utilizado por virt-launcher), comprometiendo as\u00ed la CIA (Confidencialidad, Integridad y Disponibilidad) de los datos en el anfitri\u00f3n. Para explotar con \u00e9xito esta vulnerabilidad, un atacante deber\u00eda tener el control del sistema de archivos del pod virt-launcher. Esta vulnerabilidad est\u00e1 corregida en las versiones 1.5.3 y 1.6.1."}], "lastModified": "2025-11-25T17:16:45.050", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kubevirt:kubevirt:*:*:*:*:*:kubernetes:*:*", "vulnerable": true, "matchCriteriaId": "D06A16D0-A19D-4FC9-BBB2-DD155157AD8E", "versionEndExcluding": "1.5.3"}, {"criteria": "cpe:2.3:a:kubevirt:kubevirt:1.6.0:*:*:*:*:kubernetes:*:*", "vulnerable": true, "matchCriteriaId": "78254CFF-E38D-4C0A-AB4B-3F41FCBB2A3C"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}