cve-2024-47724
Vulnerability from cvelistv5
Published
2024-10-21 12:13
Modified
2024-12-19 09:26
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: use work queue to process beacon tx event Commit 3a415daa3e8b ("wifi: ath11k: add P2P IE in beacon template") from Feb 28, 2024 (linux-next), leads to the following Smatch static checker warning: drivers/net/wireless/ath/ath11k/wmi.c:1742 ath11k_wmi_p2p_go_bcn_ie() warn: sleeping in atomic context The reason is that ath11k_bcn_tx_status_event() will directly call might sleep function ath11k_wmi_cmd_send() during RCU read-side critical sections. The call trace is like: ath11k_bcn_tx_status_event() -> rcu_read_lock() -> ath11k_mac_bcn_tx_event() -> ath11k_mac_setup_bcn_tmpl() …… -> ath11k_wmi_bcn_tmpl() -> ath11k_wmi_cmd_send() -> rcu_read_unlock() Commit 886433a98425 ("ath11k: add support for BSS color change") added the ath11k_mac_bcn_tx_event(), commit 01e782c89108 ("ath11k: fix warning of RCU usage for ath11k_mac_get_arvif_by_vdev_id()") added the RCU lock to avoid warning but also introduced this BUG. Use work queue to avoid directly calling ath11k_mac_bcn_tx_event() during RCU critical sections. No need to worry about the deletion of vif because cancel_work_sync() will drop the work if it doesn't start or block vif deletion until the running work is done. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/177b49dbf9c1d8f9f25a22ffafa416fc2c8aa6a3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6db232905e094e64abff1f18249905d068285e09Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dbd51da69dda1137723b8f66460bf99a9dac8dd2Patch
Impacted products
Vendor Product Version
Linux Linux Version: 3a415daa3e8ba65f1cc976c172a5ab69bdc17e69
Version: 3a415daa3e8ba65f1cc976c172a5ab69bdc17e69
Version: 3a415daa3e8ba65f1cc976c172a5ab69bdc17e69
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   Linux Linux Version: 6.10
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                "id": "CVE-2024-47724",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: use work queue to process beacon tx event\n\nCommit 3a415daa3e8b (\"wifi: ath11k: add P2P IE in beacon template\")\nfrom Feb 28, 2024 (linux-next), leads to the following Smatch static\nchecker warning:\n\ndrivers/net/wireless/ath/ath11k/wmi.c:1742 ath11k_wmi_p2p_go_bcn_ie()\nwarn: sleeping in atomic context\n\nThe reason is that ath11k_bcn_tx_status_event() will directly call might\nsleep function ath11k_wmi_cmd_send() during RCU read-side critical\nsections. The call trace is like:\n\nath11k_bcn_tx_status_event()\n-\u003e rcu_read_lock()\n-\u003e ath11k_mac_bcn_tx_event()\n\t-\u003e ath11k_mac_setup_bcn_tmpl()\n\t\u2026\u2026\n\t\t-\u003e ath11k_wmi_bcn_tmpl()\n\t\t\t-\u003e ath11k_wmi_cmd_send()\n-\u003e rcu_read_unlock()\n\nCommit 886433a98425 (\"ath11k: add support for BSS color change\") added the\nath11k_mac_bcn_tx_event(), commit 01e782c89108 (\"ath11k: fix warning\nof RCU usage for ath11k_mac_get_arvif_by_vdev_id()\") added the RCU lock\nto avoid warning but also introduced this BUG.\n\nUse work queue to avoid directly calling ath11k_mac_bcn_tx_event()\nduring RCU critical sections. No need to worry about the deletion of vif\nbecause cancel_work_sync() will drop the work if it doesn\u0027t start or\nblock vif deletion until the running work is done.\n\nTested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30"
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      "title": "wifi: ath11k: use work queue to process beacon tx event",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-47724",
    "datePublished": "2024-10-21T12:13:58.267Z",
    "dateReserved": "2024-09-30T16:00:12.956Z",
    "dateUpdated": "2024-12-19T09:26:50.491Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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  "vulnerability-lookup:meta": {
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The call trace is like:\\n\\nath11k_bcn_tx_status_event()\\n-\u003e rcu_read_lock()\\n-\u003e ath11k_mac_bcn_tx_event()\\n\\t-\u003e ath11k_mac_setup_bcn_tmpl()\\n\\t\u2026\u2026\\n\\t\\t-\u003e ath11k_wmi_bcn_tmpl()\\n\\t\\t\\t-\u003e ath11k_wmi_cmd_send()\\n-\u003e rcu_read_unlock()\\n\\nCommit 886433a98425 (\\\"ath11k: add support for BSS color change\\\") added the\\nath11k_mac_bcn_tx_event(), commit 01e782c89108 (\\\"ath11k: fix warning\\nof RCU usage for ath11k_mac_get_arvif_by_vdev_id()\\\") added the RCU lock\\nto avoid warning but also introduced this BUG.\\n\\nUse work queue to avoid directly calling ath11k_mac_bcn_tx_event()\\nduring RCU critical sections. No need to worry about the deletion of vif\\nbecause cancel_work_sync() will drop the work if it doesn\u0027t start or\\nblock vif deletion until the running work is done.\\n\\nTested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: ath11k: usar cola de trabajo para procesar evento beacon tx el commit 3a415daa3e8b (\\\"wifi: ath11k: agregar P2P IE en plantilla beacon\\\") del 28 de febrero de 2024 (linux-next) genera la siguiente advertencia del verificador est\u00e1tico de Smatch: drivers/net/wireless/ath/ath11k/wmi.c:1742 ath11k_wmi_p2p_go_bcn_ie() warn: durmiendo en contexto at\u00f3mico La raz\u00f3n es que ath11k_bcn_tx_status_event() llamar\u00e1 directamente a la funci\u00f3n de suspensi\u00f3n ath11k_wmi_cmd_send() durante las secciones cr\u00edticas del lado de lectura de RCU. El seguimiento de la llamada es as\u00ed: ath11k_bcn_tx_status_event() -\u0026gt; rcu_read_lock() -\u0026gt; ath11k_mac_bcn_tx_event() -\u0026gt; ath11k_mac_setup_bcn_tmpl() \u2026\u2026 -\u0026gt; ath11k_wmi_bcn_tmpl() -\u0026gt; ath11k_wmi_cmd_send() -\u0026gt; rcu_read_unlock() el commit 886433a98425 (\\\"ath11k: agregar soporte para cambio de color BSS\\\") agreg\u00f3 ath11k_mac_bcn_tx_event(), el commit 01e782c89108 (\\\"ath11k: corregir advertencia de uso de RCU para ath11k_mac_get_arvif_by_vdev_id()\\\") agreg\u00f3 el bloqueo de RCU para evitar advertencias pero tambi\u00e9n introdujo este ERROR. Utilice la cola de trabajo para evitar llamar directamente a ath11k_mac_bcn_tx_event() durante las secciones cr\u00edticas de RCU. No es necesario preocuparse por la eliminaci\u00f3n de vif porque cancel_work_sync() descartar\u00e1 el trabajo si no comienza o bloquear\u00e1 la eliminaci\u00f3n de vif hasta que finalice el trabajo en ejecuci\u00f3n. Probado en: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30\"}],\"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\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.10\",\"versionEndExcluding\":\"6.10.13\",\"matchCriteriaId\":\"767D4D2D-C6E7-4B7D-9446-CFC8F8FF2FBB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11\",\"versionEndExcluding\":\"6.11.2\",\"matchCriteriaId\":\"AB755D26-97F4-43B6-8604-CD076811E181\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/177b49dbf9c1d8f9f25a22ffafa416fc2c8aa6a3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6db232905e094e64abff1f18249905d068285e09\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/dbd51da69dda1137723b8f66460bf99a9dac8dd2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-47724\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-21T13:01:30.955907Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-21T13:01:34.056Z\"}}], \"cna\": {\"title\": \"wifi: ath11k: use work queue to process beacon tx event\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3a415daa3e8ba65f1cc976c172a5ab69bdc17e69\", \"lessThan\": \"dbd51da69dda1137723b8f66460bf99a9dac8dd2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a415daa3e8ba65f1cc976c172a5ab69bdc17e69\", \"lessThan\": \"6db232905e094e64abff1f18249905d068285e09\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3a415daa3e8ba65f1cc976c172a5ab69bdc17e69\", \"lessThan\": \"177b49dbf9c1d8f9f25a22ffafa416fc2c8aa6a3\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath11k/core.h\", \"drivers/net/wireless/ath/ath11k/mac.c\", \"drivers/net/wireless/ath/ath11k/wmi.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.10.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/ath/ath11k/core.h\", \"drivers/net/wireless/ath/ath11k/mac.c\", \"drivers/net/wireless/ath/ath11k/wmi.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/dbd51da69dda1137723b8f66460bf99a9dac8dd2\"}, {\"url\": \"https://git.kernel.org/stable/c/6db232905e094e64abff1f18249905d068285e09\"}, {\"url\": \"https://git.kernel.org/stable/c/177b49dbf9c1d8f9f25a22ffafa416fc2c8aa6a3\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: ath11k: use work queue to process beacon tx event\\n\\nCommit 3a415daa3e8b (\\\"wifi: ath11k: add P2P IE in beacon template\\\")\\nfrom Feb 28, 2024 (linux-next), leads to the following Smatch static\\nchecker warning:\\n\\ndrivers/net/wireless/ath/ath11k/wmi.c:1742 ath11k_wmi_p2p_go_bcn_ie()\\nwarn: sleeping in atomic context\\n\\nThe reason is that ath11k_bcn_tx_status_event() will directly call might\\nsleep function ath11k_wmi_cmd_send() during RCU read-side critical\\nsections. The call trace is like:\\n\\nath11k_bcn_tx_status_event()\\n-\u003e rcu_read_lock()\\n-\u003e ath11k_mac_bcn_tx_event()\\n\\t-\u003e ath11k_mac_setup_bcn_tmpl()\\n\\t\\u2026\\u2026\\n\\t\\t-\u003e ath11k_wmi_bcn_tmpl()\\n\\t\\t\\t-\u003e ath11k_wmi_cmd_send()\\n-\u003e rcu_read_unlock()\\n\\nCommit 886433a98425 (\\\"ath11k: add support for BSS color change\\\") added the\\nath11k_mac_bcn_tx_event(), commit 01e782c89108 (\\\"ath11k: fix warning\\nof RCU usage for ath11k_mac_get_arvif_by_vdev_id()\\\") added the RCU lock\\nto avoid warning but also introduced this BUG.\\n\\nUse work queue to avoid directly calling ath11k_mac_bcn_tx_event()\\nduring RCU critical sections. No need to worry about the deletion of vif\\nbecause cancel_work_sync() will drop the work if it doesn\u0027t start or\\nblock vif deletion until the running work is done.\\n\\nTested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T09:26:50.491Z\"}}}",
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}


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