CVE-2025-22050
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: usbnet:fix NPE during rx_complete Missing usbnet_going_away Check in Critical Path. The usb_submit_urb function lacks a usbnet_going_away validation, whereas __usbnet_queue_skb includes this check. This inconsistency creates a race condition where: A URB request may succeed, but the corresponding SKB data fails to be queued. Subsequent processes: (e.g., rx_complete → defer_bh → __skb_unlink(skb, list)) attempt to access skb->next, triggering a NULL pointer dereference (Kernel Panic).
Severity
MEDIUM
CVSS score
4.7
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-04-16 15:15:58.437000
Last modified
2026-11-05 21:17:48.070000
View original CVE JSON
{
"id": "CVE-2025-22050",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-04-16T15:15:58.437",
"lastModified": "2026-11-05T21:17:48.070",
"vulnStatus": "Modified",
"cveTags": [],
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{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusbnet:fix NPE during rx_complete\n\nMissing usbnet_going_away Check in Critical Path.\nThe usb_submit_urb function lacks a usbnet_going_away\nvalidation, whereas __usbnet_queue_skb includes this check.\n\nThis inconsistency creates a race condition where:\nA URB request may succeed, but the corresponding SKB data\nfails to be queued.\n\nSubsequent processes:\n(e.g., rx_complete → defer_bh → __skb_unlink(skb, list))\nattempt to access skb->next, triggering a NULL pointer\ndereference (Kernel Panic)."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usbnet:fix NPE durante rx_complete. Falta la comprobación usbnet_going_away en la ruta crítica. La función usb_submit_urb carece de la validación usbnet_going_away, mientras que __usbnet_queue_skb sí la incluye. Esta inconsistencia crea una condición de ejecución donde: una solicitud URB puede ser exitosa, pero los datos SKB correspondientes no se ponen en cola. Los procesos posteriores (p. ej., rx_complete ? defer_bh ? __skb_unlink(skb, list)) intentan acceder a skb->next, lo que provoca una desreferencia de puntero nulo (pánico del kernel)."
}
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"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
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"integrityImpact": "NONE",
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"description": [
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