CVE-2024-47713
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop()
Since '__dev_queue_xmit()' should be called with interrupts enabled, the following backtrace:
ieee80211_do_stop() ... spin_lock_irqsave(&local->queue_stop_reason_lock, flags) ... ieee80211_free_txskb() ieee80211_report_used_skb() ieee80211_report_ack_skb() cfg80211_mgmt_tx_status_ext() nl80211_frame_tx_status() genlmsg_multicast_netns() genlmsg_multicast_netns_filtered() nlmsg_multicast_filtered() netlink_broadcast_filtered() do_one_broadcast() netlink_broadcast_deliver() __netlink_sendskb() netlink_deliver_tap() __netlink_deliver_tap_skb() dev_queue_xmit() __dev_queue_xmit() ; with IRQS disabled ... spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags)
Leer descripción completaMostrar menos
issues the warning (as reported by syzbot reproducer):
Fix this by implementing a two-phase skb reclamation in 'ieee80211_do_stop()', where actual work is performed outside of a section with interrupts disabled.
Detalles técnicos trazas, registros y código del informe original
WARNING: CPU: 2 PID: 5128 at kernel/softirq.c:362 __local_bh_enable_ip+0xc3/0x120
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.26%
- Percentil entre todas las CVEs puntuadas: 16
- Fecha de la puntuación: 4/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/04f75f5bae33349283d6886901d9acd2f110c024
- https://git.kernel.org/stable/c/058c9026ad79dc98572442fd4c7e9a36aba6f596
- https://git.kernel.org/stable/c/07eb0bd7b0a8abed9d45e0f567c9af1dc83e5268
- https://git.kernel.org/stable/c/9d301de12da6e1bb069a9835c38359b8e8135121
- https://git.kernel.org/stable/c/acb53a716e492a02479345157c43f21edc8bc64b
- https://git.kernel.org/stable/c/ad4b7068b101fbbb4a9ca4b99b25eb051a9482ec
- https://git.kernel.org/stable/c/db5ca4b42ccfa42d2af7b335ff12578e57775c02
- https://git.kernel.org/stable/c/eab272972cffff9cd973b8e4055a8e81c64f7e6a
- https://git.kernel.org/stable/c/f232916fab67ca1c3425926df4a866e59ff26908
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html
JSON original (NVD)
Mostrar
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"attackComplexity": "LOW",
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop()\n\nSince '__dev_queue_xmit()' should be called with interrupts enabled,\nthe following backtrace:\n\nieee80211_do_stop()\n ...\n spin_lock_irqsave(&local->queue_stop_reason_lock, flags)\n ...\n ieee80211_free_txskb()\n ieee80211_report_used_skb()\n ieee80211_report_ack_skb()\n cfg80211_mgmt_tx_status_ext()\n nl80211_frame_tx_status()\n genlmsg_multicast_netns()\n genlmsg_multicast_netns_filtered()\n nlmsg_multicast_filtered()\n\t netlink_broadcast_filtered()\n\t do_one_broadcast()\n\t netlink_broadcast_deliver()\n\t __netlink_sendskb()\n\t netlink_deliver_tap()\n\t __netlink_deliver_tap_skb()\n\t dev_queue_xmit()\n\t __dev_queue_xmit() ; with IRQS disabled\n ...\n spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags)\n\nissues the warning (as reported by syzbot reproducer):\n\nWARNING: CPU: 2 PID: 5128 at kernel/softirq.c:362 __local_bh_enable_ip+0xc3/0x120\n\nFix this by implementing a two-phase skb reclamation in\n'ieee80211_do_stop()', where actual work is performed\noutside of a section with interrupts disabled."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mac80211: usar recuperación skb de dos fases en ieee80211_do_stop() Dado que '__dev_queue_xmit()' se debe llamar con las interrupciones habilitadas, se realiza el siguiente seguimiento: ieee80211_do_stop() ... spin_lock_irqsave(&local->queue_stop_reason_lock, flags) ... ieee80211_free_txskb() ieee80211_report_used_skb() ieee80211_report_ack_skb() cfg80211_mgmt_tx_status_ext() nl80211_frame_tx_status() genlmsg_multicast_netns() genlmsg_multicast_netns_filtered() con IRQS deshabilitado ... spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags) emite la advertencia (según lo informado por el reproductor syzbot): ADVERTENCIA: CPU: 2 PID: 5128 en kernel/softirq.c:362 __local_bh_enable_ip+0xc3/0x120 Solucione esto implementando una recuperación de skb de dos fases en 'ieee80211_do_stop()', donde el trabajo real se realiza fuera de una sección con las interrupciones deshabilitadas."
}
],
"lastModified": "2026-06-17T07:57:36.530",
"configurations": [
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