CVE-2025-37933

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If the driver is unloaded in\nthis scenario, it calls ndo_stop again, attempting to free\nresources that have already been freed, leading to a host\nhang issue. To resolve this, dev_close should be called\ninstead of the device-specific stop function.dev_close\ninternally calls ndo_stop to stop the network interface\nand performs additional cleanup tasks. During the driver\nunload process, if the device is already down, ndo_stop\nis not called."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: octeon_ep: Se solucion\u00f3 el problema de bloqueo del host durante el reinicio del dispositivo. Cuando el host pierde los mensajes de latido del dispositivo, el controlador llama a la funci\u00f3n ndo_stop espec\u00edfica del dispositivo, que libera los recursos. Si el controlador se descarga en este caso, vuelve a llamar a ndo_stop para intentar liberar los recursos ya liberados, lo que provoca un problema de bloqueo del host. Para solucionar esto, se debe llamar a dev_close en lugar de a la funci\u00f3n de detenci\u00f3n espec\u00edfica del dispositivo. Dev_close llama internamente a ndo_stop para detener la interfaz de red y realiza tareas de limpieza adicionales. Durante el proceso de descarga del controlador, si el dispositivo ya est\u00e1 inactivo, no se llama a ndo_stop."}], "id": "CVE-2025-37933", "lastModified": "2026-11-05T21:17:58.687", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-37933", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:45:21.738226Z", "version": "2.0.3"}}]}, "published": "2025-05-20T16:15:29.933", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34f42736b325287a7b2ce37e415838f539767bda"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d1052423518e7d0aece9af5e77bbc324face8f1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7e1ca1bed3f66e00377f7d2147be390144924276"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c8d788f800f83b94d9db8b3dacc1d26be38a6ef4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: octeon_ep: Fix host hang issue during device reboot", "id": "2367501", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2367501"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.6", "cvss3_scoring_vector": "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H", "status": "draft"}, "cwe": "CWE-1341", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nocteon_ep: Fix host hang issue during device reboot\nWhen the host loses heartbeat messages from the device,\nthe driver calls the device-specific ndo_stop function,\nwhich frees the resources. If the driver is unloaded in\nthis scenario, it calls ndo_stop again, attempting to free\nresources that have already been freed, leading to a host\nhang issue. To resolve this, dev_close should be called\ninstead of the device-specific stop function.dev_close\ninternally calls ndo_stop to stop the network interface\nand performs additional cleanup tasks. During the driver\nunload process, if the device is already down, ndo_stop\nis not called."], "name": "CVE-2025-37933", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37933\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37933\nhttps://lore.kernel.org/linux-cve-announce/2025052006-CVE-2025-37933-55f4@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-27T09:26:50.883004+00:00", "updated": "2025-06-27T09:26:50.883085+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}