cve-2024-40911
Vulnerability from cvelistv5
Published
2024-07-12 12:20
Modified
2024-09-11 17:34
Severity
Summary
wifi: cfg80211: Lock wiphy in cfg80211_get_station
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0ccc63958d8373e15a69f4f8069f3e78f7f3898aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/43e1eefb0b2094e2281150d87d09e8bc872b9fbaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/642f89daa34567d02f312d03e41523a894906daePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d540b0317901535275020bd4ac44fac6439ca76Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dfd84ce41663be9ca3f69bd657c45f49b69344d9Patch
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: Lock wiphy in cfg80211_get_station\n\nWiphy should be locked before calling rdev_get_station() (see lockdep\nassert in ieee80211_get_station()).\n\nThis fixes the following kernel NULL dereference:\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000050\n Mem abort info:\n   ESR = 0x0000000096000006\n   EC = 0x25: DABT (current EL), IL = 32 bits\n   SET = 0, FnV = 0\n   EA = 0, S1PTW = 0\n   FSC = 0x06: level 2 translation fault\n Data abort info:\n   ISV = 0, ISS = 0x00000006\n   CM = 0, WnR = 0\n user pgtable: 4k pages, 48-bit VAs, pgdp=0000000003001000\n [0000000000000050] pgd=0800000002dca003, p4d=0800000002dca003, pud=08000000028e9003, pmd=0000000000000000\n Internal error: Oops: 0000000096000006 [#1] SMP\n Modules linked in: netconsole dwc3_meson_g12a dwc3_of_simple dwc3 ip_gre gre ath10k_pci ath10k_core ath9k ath9k_common ath9k_hw ath\n CPU: 0 PID: 1091 Comm: kworker/u8:0 Not tainted 6.4.0-02144-g565f9a3a7911-dirty #705\n Hardware name: RPT (r1) (DT)\n Workqueue: bat_events batadv_v_elp_throughput_metric_update\n pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : ath10k_sta_statistics+0x10/0x2dc [ath10k_core]\n lr : sta_set_sinfo+0xcc/0xbd4\n sp : ffff000007b43ad0\n x29: ffff000007b43ad0 x28: ffff0000071fa900 x27: ffff00000294ca98\n x26: ffff000006830880 x25: ffff000006830880 x24: ffff00000294c000\n x23: 0000000000000001 x22: ffff000007b43c90 x21: ffff800008898acc\n x20: ffff00000294c6e8 x19: ffff000007b43c90 x18: 0000000000000000\n x17: 445946354d552d78 x16: 62661f7200000000 x15: 57464f445946354d\n x14: 0000000000000000 x13: 00000000000000e3 x12: d5f0acbcebea978e\n x11: 00000000000000e3 x10: 000000010048fe41 x9 : 0000000000000000\n x8 : ffff000007b43d90 x7 : 000000007a1e2125 x6 : 0000000000000000\n x5 : ffff0000024e0900 x4 : ffff800000a0250c x3 : ffff000007b43c90\n x2 : ffff00000294ca98 x1 : ffff000006831920 x0 : 0000000000000000\n Call trace:\n  ath10k_sta_statistics+0x10/0x2dc [ath10k_core]\n  sta_set_sinfo+0xcc/0xbd4\n  ieee80211_get_station+0x2c/0x44\n  cfg80211_get_station+0x80/0x154\n  batadv_v_elp_get_throughput+0x138/0x1fc\n  batadv_v_elp_throughput_metric_update+0x1c/0xa4\n  process_one_work+0x1ec/0x414\n  worker_thread+0x70/0x46c\n  kthread+0xdc/0xe0\n  ret_from_fork+0x10/0x20\n Code: a9bb7bfd 910003fd a90153f3 f9411c40 (f9402814)\n\nThis happens because STA has time to disconnect and reconnect before\nbatadv_v_elp_throughput_metric_update() delayed work gets scheduled. In\nthis situation, ath10k_sta_state() can be in the middle of resetting\narsta data when the work queue get chance to be scheduled and ends up\naccessing it. Locking wiphy prevents that."
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    "cveId": "CVE-2024-40911",
    "datePublished": "2024-07-12T12:20:49.796Z",
    "dateReserved": "2024-07-12T12:17:45.580Z",
    "dateUpdated": "2024-09-11T17:34:37.167Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-40911\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:14.283\",\"lastModified\":\"2024-08-29T13:43:49.137\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: cfg80211: Lock wiphy in cfg80211_get_station\\n\\nWiphy should be locked before calling rdev_get_station() (see lockdep\\nassert in ieee80211_get_station()).\\n\\nThis fixes the following kernel NULL dereference:\\n\\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000050\\n Mem abort info:\\n   ESR = 0x0000000096000006\\n   EC = 0x25: DABT (current EL), IL = 32 bits\\n   SET = 0, FnV = 0\\n   EA = 0, S1PTW = 0\\n   FSC = 0x06: level 2 translation fault\\n Data abort info:\\n   ISV = 0, ISS = 0x00000006\\n   CM = 0, WnR = 0\\n user pgtable: 4k pages, 48-bit VAs, pgdp=0000000003001000\\n [0000000000000050] pgd=0800000002dca003, p4d=0800000002dca003, pud=08000000028e9003, pmd=0000000000000000\\n Internal error: Oops: 0000000096000006 [#1] SMP\\n Modules linked in: netconsole dwc3_meson_g12a dwc3_of_simple dwc3 ip_gre gre ath10k_pci ath10k_core ath9k ath9k_common ath9k_hw ath\\n CPU: 0 PID: 1091 Comm: kworker/u8:0 Not tainted 6.4.0-02144-g565f9a3a7911-dirty #705\\n Hardware name: RPT (r1) (DT)\\n Workqueue: bat_events batadv_v_elp_throughput_metric_update\\n pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n pc : ath10k_sta_statistics+0x10/0x2dc [ath10k_core]\\n lr : sta_set_sinfo+0xcc/0xbd4\\n sp : ffff000007b43ad0\\n x29: ffff000007b43ad0 x28: ffff0000071fa900 x27: ffff00000294ca98\\n x26: ffff000006830880 x25: ffff000006830880 x24: ffff00000294c000\\n x23: 0000000000000001 x22: ffff000007b43c90 x21: ffff800008898acc\\n x20: ffff00000294c6e8 x19: ffff000007b43c90 x18: 0000000000000000\\n x17: 445946354d552d78 x16: 62661f7200000000 x15: 57464f445946354d\\n x14: 0000000000000000 x13: 00000000000000e3 x12: d5f0acbcebea978e\\n x11: 00000000000000e3 x10: 000000010048fe41 x9 : 0000000000000000\\n x8 : ffff000007b43d90 x7 : 000000007a1e2125 x6 : 0000000000000000\\n x5 : ffff0000024e0900 x4 : ffff800000a0250c x3 : ffff000007b43c90\\n x2 : ffff00000294ca98 x1 : ffff000006831920 x0 : 0000000000000000\\n Call trace:\\n  ath10k_sta_statistics+0x10/0x2dc [ath10k_core]\\n  sta_set_sinfo+0xcc/0xbd4\\n  ieee80211_get_station+0x2c/0x44\\n  cfg80211_get_station+0x80/0x154\\n  batadv_v_elp_get_throughput+0x138/0x1fc\\n  batadv_v_elp_throughput_metric_update+0x1c/0xa4\\n  process_one_work+0x1ec/0x414\\n  worker_thread+0x70/0x46c\\n  kthread+0xdc/0xe0\\n  ret_from_fork+0x10/0x20\\n Code: a9bb7bfd 910003fd a90153f3 f9411c40 (f9402814)\\n\\nThis happens because STA has time to disconnect and reconnect before\\nbatadv_v_elp_throughput_metric_update() delayed work gets scheduled. In\\nthis situation, ath10k_sta_state() can be in the middle of resetting\\narsta data when the work queue get chance to be scheduled and ends up\\naccessing it. Locking wiphy prevents that.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: cfg80211: bloquear wiphy en cfg80211_get_station Wiphy debe estar bloqueado antes de llamar a rdev_get_station() (ver lockdep afirmar en ieee80211_get_station()). Esto corrige la siguiente desreferencia NULL del kernel: No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000050 Informaci\u00f3n de cancelaci\u00f3n de memoria: ESR = 0x0000000096000006 EC = 0x25: DABT (EL actual), IL = 32 bits SET = 0, FnV = 0 EA = 0 , S1PTW = 0 FSC = 0x06: error de traducci\u00f3n de nivel 2 Informaci\u00f3n de cancelaci\u00f3n de datos: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 tabla de p\u00e1ginas de usuario: 4k p\u00e1ginas, VA de 48 bits, pgdp=0000000003001000 [0000000000000050] 00000002dca003 , p4d=0800000002dca003, pud=08000000028e9003, pmd=0000000000000000 Error interno: Ups: 0000000096000006 [#1] M\u00f3dulos SMP vinculados en: netconsole dwc3_meson_g12a dwc3_of_simple dwc 3 ip_gre gre ath10k_pci ath10k_core ath9k ath9k_common ath9k_hw ath CPU: 0 PID: 1091 Comunicaciones: kworker/u8 :0 No contaminado 6.4.0-02144-g565f9a3a7911-dirty #705 Nombre de hardware: RPT (r1) (DT) Cola de trabajo: bat_events batadv_v_elp_throughput_metric_update pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc: ath10k_sta_statistics+0x10/0x2dc [ath10k_core] lr: sta_set_sinfo+0xcc/0xbd4 sp: ffff000007b43ad0 x29: ffff000007b43ad0 x28: ffff0000071fa900 x27: ffff00000294ca98 6: ffff000006830880 x25: ffff000006830880 x24: ffff00000294c000 x23: 0000000000000001 x22: ffff000007b43c90 x21: ffff800008898acc x20: 0294c6e8 x19: ffff000007b43c90 x18: 0000000000000000 x17: 445946354d552d78 x16: 62661f7200000000 x15: 57464f445946354d x14: 000000000000000 0 x13: 00000000000000e3 x12: d5f0acbcebea978e x11: 00000000000000e3 x10: 000000010048fe41 x9: 0000000000000000 x8: ffff000007b43d90 x7: 00 0000007a1e2125 x6: 0000000000000000 x5: ffff0000024e0900 x4: ffff800000a0250c x3: ffff000007b43c90 x2: ffff00000294ca98 x1: ffff000006831920 x0: 0000000000000000 Rastreo de llamadas: ath10k_sta_statistics+0x10/0x2dc [ath10k_core] sta_set_sinfo+0xcc/0xbd4 0211_get_station+0x2c/0x44 cfg80211_get_station+0x80/0x154 batadv_v_elp_get_throughput+0x138/0x1fc batadv_v_elp_throughput_metric_update+0x1c/0xa4 Process_one_work+0x1ec/ 0x414 work_thread+0x70/0x46c kthread+0xdc/0xe0 ret_from_fork+0x10/0x20 C\u00f3digo: a9bb7bfd 910003fd a90153f3 f9411c40 (f9402814) Esto sucede porque STA tiene tiempo para desconectarse y volver a conectarse antes de batadv_v_elp_throughput_metric_up date() se programa el trabajo retrasado. En esta situaci\u00f3n, ath10k_sta_state() puede estar en medio de restablecer los datos de arsta cuando la cola de trabajo tiene la oportunidad de programarse y termina accediendo a ella. Bloquear Wiphy evita eso.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.16\",\"versionEndExcluding\":\"5.15.162\",\"matchCriteriaId\":\"1383491E-908E-4536-BB15-D4B4B08F8358\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.95\",\"matchCriteriaId\":\"D435765D-2766-44F5-B319-F713A13E35CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.35\",\"matchCriteriaId\":\"6F019D15-84C0-416B-8C57-7F51B68992F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.6\",\"matchCriteriaId\":\"0ABBBA1D-F79D-4BDB-AA41-D1EDCC4A6975\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"2EBB4392-5FA6-4DA9-9772-8F9C750109FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"331C2F14-12C7-45D5-893D-8C52EE38EA10\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0ccc63958d8373e15a69f4f8069f3e78f7f3898a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/43e1eefb0b2094e2281150d87d09e8bc872b9fba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/642f89daa34567d02f312d03e41523a894906dae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6d540b0317901535275020bd4ac44fac6439ca76\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/dfd84ce41663be9ca3f69bd657c45f49b69344d9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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