GHSA-GV22-J53X-HR7W
Vulnerability from github – Published: 2024-10-21 12:30 – Updated: 2026-05-12 12:32In 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.
{
"affected": [],
"aliases": [
"CVE-2024-47713"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-10-21T12:15:07Z",
"severity": "MODERATE"
},
"details": "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.",
"id": "GHSA-gv22-j53x-hr7w",
"modified": "2026-05-12T12:32:10Z",
"published": "2024-10-21T12:30:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-47713"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-355557.html"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/04f75f5bae33349283d6886901d9acd2f110c024"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/058c9026ad79dc98572442fd4c7e9a36aba6f596"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/07eb0bd7b0a8abed9d45e0f567c9af1dc83e5268"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9d301de12da6e1bb069a9835c38359b8e8135121"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/acb53a716e492a02479345157c43f21edc8bc64b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ad4b7068b101fbbb4a9ca4b99b25eb051a9482ec"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/db5ca4b42ccfa42d2af7b335ff12578e57775c02"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/eab272972cffff9cd973b8e4055a8e81c64f7e6a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f232916fab67ca1c3425926df4a866e59ff26908"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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