fkie_cve-2024-47713
Vulnerability from fkie_nvd
Published
2024-10-21 12:15
Modified
2024-11-08 16:15
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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) issues the warning (as reported by syzbot reproducer): WARNING: CPU: 2 PID: 5128 at kernel/softirq.c:362 __local_bh_enable_ip+0xc3/0x120 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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/04f75f5bae33349283d6886901d9acd2f110c024
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/058c9026ad79dc98572442fd4c7e9a36aba6f596Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/07eb0bd7b0a8abed9d45e0f567c9af1dc83e5268
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9d301de12da6e1bb069a9835c38359b8e8135121Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/acb53a716e492a02479345157c43f21edc8bc64bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ad4b7068b101fbbb4a9ca4b99b25eb051a9482ecPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/db5ca4b42ccfa42d2af7b335ff12578e57775c02Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eab272972cffff9cd973b8e4055a8e81c64f7e6aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f232916fab67ca1c3425926df4a866e59ff26908Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
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  "cveTags": [],
  "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 \u0027__dev_queue_xmit()\u0027 should be called with interrupts enabled,\nthe following backtrace:\n\nieee80211_do_stop()\n ...\n spin_lock_irqsave(\u0026local-\u003equeue_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(\u0026local-\u003equeue_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\u0027ieee80211_do_stop()\u0027, 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 recuperaci\u00f3n skb de dos fases en ieee80211_do_stop() Dado que \u0027__dev_queue_xmit()\u0027 se debe llamar con las interrupciones habilitadas, se realiza el siguiente seguimiento: ieee80211_do_stop() ... spin_lock_irqsave(\u0026amp;local-\u0026gt;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(\u0026amp;local-\u0026gt;queue_stop_reason_lock, flags) emite la advertencia (seg\u00fan 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 recuperaci\u00f3n de skb de dos fases en \u0027ieee80211_do_stop()\u0027, donde el trabajo real se realiza fuera de una secci\u00f3n con las interrupciones deshabilitadas."
    }
  ],
  "id": "CVE-2024-47713",
  "lastModified": "2024-11-08T16:15:26.370",
  "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"
      }
    ]
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  "published": "2024-10-21T12:15:07.717",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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