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Hay 2 rutas de c\u00f3digo que llaman a struct can_priv::do_set_mode: - directamente mediante un reinicio manual desde el espacio de usuario, a trav\u00e9s de can_changelink() - reinicio autom\u00e1tico retrasado despu\u00e9s de apagar el bus (desactivado de forma predeterminada) Para evitar la deferencia del puntero NULL, rechace un reinicio manual o configure el retraso del reinicio autom\u00e1tico en can_changelink() e informe del error a trav\u00e9s de extack al espacio de usuario. Como medida de seguridad adicional, deje que can_restart() devuelva un error si can_priv::do_set_mode no est\u00e1 configurado en lugar de desreferenciarlo sin marcar."}], "id": "CVE-2025-38665", "lastModified": "2026-01-07T17:32:07.123", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-08-22T16:15:41.860", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0ca816a96fdcf32644c80cbe7a82c7b6ce6ddda5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6acceb46180f9e160d4f0c56fcaf39ba562822ae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6bbcf37c5114926c99a1d1e6993a5b35689d2599"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c1f3f9797c1f44a762e6f5f72520b2e520537b52"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cf81a60a973358dea163f6b14062f17831ceb894"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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{"created": "2025-08-23T10:55:21.705962+00:00", "updated": "2025-08-23T10:55:21.706026+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}