CVE-2024-47713

{"id": "CVE-2024-47713", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-10-21T12:15:07.717", "references": [{"url": "https://git.kernel.org/stable/c/04f75f5bae33349283d6886901d9acd2f110c024", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/058c9026ad79dc98572442fd4c7e9a36aba6f596", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/07eb0bd7b0a8abed9d45e0f567c9af1dc83e5268", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9d301de12da6e1bb069a9835c38359b8e8135121", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/acb53a716e492a02479345157c43f21edc8bc64b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ad4b7068b101fbbb4a9ca4b99b25eb051a9482ec", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/db5ca4b42ccfa42d2af7b335ff12578e57775c02", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/eab272972cffff9cd973b8e4055a8e81c64f7e6a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f232916fab67ca1c3425926df4a866e59ff26908", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "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 recuperaci\u00f3n 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 (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 'ieee80211_do_stop()', donde el trabajo real se realiza fuera de una secci\u00f3n con las interrupciones deshabilitadas."}], "lastModified": "2024-11-08T16:15:26.370", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF903132-A3AF-4A91-AFA9-3C8A9C378FAE", "versionEndExcluding": "5.10.227", "versionStartIncluding": "2.6.32"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4D51C05D-455B-4D8D-89E7-A58E140B864C", "versionEndExcluding": "5.15.168", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D01BD22E-ACD1-4618-9D01-6116570BE1EE", "versionEndExcluding": "6.1.113", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D448821D-C085-4CAF-88FA-2DDE7BE21976", "versionEndExcluding": "6.6.54", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE94BB8D-B0AB-4563-9ED7-A12122B56EBE", "versionEndExcluding": "6.10.13", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181", "versionEndExcluding": "6.11.2", "versionStartIncluding": "6.11"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}