cve-2024-35811
Vulnerability from cvelistv5
Published
2024-05-17 13:23
Modified
2024-12-19 08:55
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix use-after-free bug in brcmf_cfg80211_detach This is the candidate patch of CVE-2023-47233 : https://nvd.nist.gov/vuln/detail/CVE-2023-47233 In brcm80211 driver,it starts with the following invoking chain to start init a timeout worker: ->brcmf_usb_probe ->brcmf_usb_probe_cb ->brcmf_attach ->brcmf_bus_started ->brcmf_cfg80211_attach ->wl_init_priv ->brcmf_init_escan ->INIT_WORK(&cfg->escan_timeout_work, brcmf_cfg80211_escan_timeout_worker); If we disconnect the USB by hotplug, it will call brcmf_usb_disconnect to make cleanup. The invoking chain is : brcmf_usb_disconnect ->brcmf_usb_disconnect_cb ->brcmf_detach ->brcmf_cfg80211_detach ->kfree(cfg); While the timeout woker may still be running. This will cause a use-after-free bug on cfg in brcmf_cfg80211_escan_timeout_worker. Fix it by deleting the timer and canceling the worker in brcmf_cfg80211_detach. [arend.vanspriel@broadcom.com: keep timer delete as is and cancel work just before free]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0a7591e14a8da794d0b93b5d1c6254ccb23adacbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0b812f706fd7090be74812101114a0e165b36744Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0f7352557a35ab7888bc7831411ec8a3cbe20d78Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/190794848e2b9d15de92d502b6ac652806904f5aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/202c503935042272e2f9e1bb549d5f69a8681169Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6678a1e7d896c00030b31491690e8ddc9a90767aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c36205123dc57349b59b4f1a2301eb278cbc731Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8e3f03f4ef7c36091f46e7349096efb5a2cdb3a1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bacb8c3ab86dcd760c15903fcee58169bc3026aaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0a7591e14a8da794d0b93b5d1c6254ccb23adacbPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0b812f706fd7090be74812101114a0e165b36744Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0f7352557a35ab7888bc7831411ec8a3cbe20d78Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/190794848e2b9d15de92d502b6ac652806904f5aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/202c503935042272e2f9e1bb549d5f69a8681169Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6678a1e7d896c00030b31491690e8ddc9a90767aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8c36205123dc57349b59b4f1a2301eb278cbc731Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8e3f03f4ef7c36091f46e7349096efb5a2cdb3a1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bacb8c3ab86dcd760c15903fcee58169bc3026aaPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlMailing List
Impacted products
Vendor Product Version
Linux Linux Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
Version: e756af5b30b008f6ffcfebf8ad0b477f6f225b62
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   Linux Linux Version: 3.7
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    "datePublished": "2024-05-17T13:23:17.508Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35811\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-17T14:15:15.177\",\"lastModified\":\"2025-01-14T14:23:38.660\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: brcmfmac: Fix use-after-free bug in brcmf_cfg80211_detach\\n\\nThis is the candidate patch of CVE-2023-47233 :\\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-47233\\n\\nIn brcm80211 driver,it starts with the following invoking chain\\nto start init a timeout worker:\\n\\n-\u003ebrcmf_usb_probe\\n  -\u003ebrcmf_usb_probe_cb\\n    -\u003ebrcmf_attach\\n      -\u003ebrcmf_bus_started\\n        -\u003ebrcmf_cfg80211_attach\\n          -\u003ewl_init_priv\\n            -\u003ebrcmf_init_escan\\n              -\u003eINIT_WORK(\u0026cfg-\u003eescan_timeout_work,\\n\\t\\t  brcmf_cfg80211_escan_timeout_worker);\\n\\nIf we disconnect the USB by hotplug, it will call\\nbrcmf_usb_disconnect to make cleanup. The invoking chain is :\\n\\nbrcmf_usb_disconnect\\n  -\u003ebrcmf_usb_disconnect_cb\\n    -\u003ebrcmf_detach\\n      -\u003ebrcmf_cfg80211_detach\\n        -\u003ekfree(cfg);\\n\\nWhile the timeout woker may still be running. This will cause\\na use-after-free bug on cfg in brcmf_cfg80211_escan_timeout_worker.\\n\\nFix it by deleting the timer and canceling the worker in\\nbrcmf_cfg80211_detach.\\n\\n[arend.vanspriel@broadcom.com: keep timer delete as is and cancel work just before free]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: brcmfmac: corregido el error de use after free en brcmf_cfg80211_detach Este es el parche candidato de CVE-2023-47233: https://nvd.nist.gov/vuln/detail /CVE-2023-47233 En el controlador brcm80211, comienza con la siguiente cadena de invocaci\u00f3n para iniciar un trabajador de tiempo de espera: -\u0026gt;brcmf_usb_probe -\u0026gt;brcmf_usb_probe_cb -\u0026gt;brcmf_attach -\u0026gt;brcmf_bus_started -\u0026gt;brcmf_cfg80211_attach -\u0026gt;wl_init_priv -\u0026gt;brcmf_init_escan -\u0026gt;INIT_WORK(\u0026amp;cfg -\u0026gt;escan_timeout_work, brcmf_cfg80211_escan_timeout_worker); Si desconectamos el USB mediante hotplug, llamar\u00e1 a brcmf_usb_disconnect para realizar la limpieza. La cadena de invocaci\u00f3n es: brcmf_usb_disconnect -\u0026gt;brcmf_usb_disconnect_cb -\u0026gt;brcmf_detach -\u0026gt;brcmf_cfg80211_detach -\u0026gt;kfree(cfg); Mientras que el activador de tiempo de espera a\u00fan puede estar ejecut\u00e1ndose. Esto provocar\u00e1 un error de use after free en cfg en brcmf_cfg80211_escan_timeout_worker. Soluci\u00f3nelo eliminando el temporizador y cancelando el trabajador en brcmf_cfg80211_detach. [arend.vanspriel@broadcom.com: mantenga la eliminaci\u00f3n del temporizador tal como est\u00e1 y cancele el trabajo justo antes de liberarlo]\"}],\"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\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.7\",\"versionEndExcluding\":\"4.19.312\",\"matchCriteriaId\":\"48A978A1-082D-4FD8-B0A8-15D857F7935B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.274\",\"matchCriteriaId\":\"F45A0F3C-C16D-49C4-86D6-D021C3D4B834\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.215\",\"matchCriteriaId\":\"9CD5894E-58E9-4B4A-B0F4-3E6BC134B8F5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.154\",\"matchCriteriaId\":\"577E212E-7E95-4A71-9B5C-F1D1A3AFFF46\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.84\",\"matchCriteriaId\":\"834D9BD5-42A6-4D74-979E-4D6D93F630FD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.24\",\"matchCriteriaId\":\"8018C1D0-0A5F-48D0-BC72-A2B33FDDA693\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.7.12\",\"matchCriteriaId\":\"6BE9771A-BAFD-4624-95F9-58D536540C53\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8\",\"versionEndExcluding\":\"6.8.3\",\"matchCriteriaId\":\"4C59BBC3-6495-4A77-9C82-55EC7CDF5E02\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0a7591e14a8da794d0b93b5d1c6254ccb23adacb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0b812f706fd7090be74812101114a0e165b36744\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0f7352557a35ab7888bc7831411ec8a3cbe20d78\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/190794848e2b9d15de92d502b6ac652806904f5a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/202c503935042272e2f9e1bb549d5f69a8681169\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6678a1e7d896c00030b31491690e8ddc9a90767a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c36205123dc57349b59b4f1a2301eb278cbc731\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8e3f03f4ef7c36091f46e7349096efb5a2cdb3a1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bacb8c3ab86dcd760c15903fcee58169bc3026aa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0a7591e14a8da794d0b93b5d1c6254ccb23adacb\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0b812f706fd7090be74812101114a0e165b36744\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0f7352557a35ab7888bc7831411ec8a3cbe20d78\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/190794848e2b9d15de92d502b6ac652806904f5a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/202c503935042272e2f9e1bb549d5f69a8681169\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6678a1e7d896c0003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    "vulnrichment": {
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\"version\": \"5.4.274\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.215\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.154\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.84\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.24\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.12\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.3\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/202c503935042272e2f9e1bb549d5f69a8681169\"}, {\"url\": \"https://git.kernel.org/stable/c/8e3f03f4ef7c36091f46e7349096efb5a2cdb3a1\"}, {\"url\": \"https://git.kernel.org/stable/c/bacb8c3ab86dcd760c15903fcee58169bc3026aa\"}, {\"url\": \"https://git.kernel.org/stable/c/8c36205123dc57349b59b4f1a2301eb278cbc731\"}, {\"url\": \"https://git.kernel.org/stable/c/0b812f706fd7090be74812101114a0e165b36744\"}, {\"url\": \"https://git.kernel.org/stable/c/190794848e2b9d15de92d502b6ac652806904f5a\"}, {\"url\": \"https://git.kernel.org/stable/c/6678a1e7d896c00030b31491690e8ddc9a90767a\"}, {\"url\": \"https://git.kernel.org/stable/c/0a7591e14a8da794d0b93b5d1c6254ccb23adacb\"}, {\"url\": \"https://git.kernel.org/stable/c/0f7352557a35ab7888bc7831411ec8a3cbe20d78\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\"}], \"x_generator\": {\"engine\": \"bippy-a5840b7849dd\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: brcmfmac: Fix use-after-free bug in brcmf_cfg80211_detach\\n\\nThis is the candidate patch of CVE-2023-47233 :\\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-47233\\n\\nIn brcm80211 driver,it starts with the following invoking chain\\nto start init a timeout worker:\\n\\n-\u003ebrcmf_usb_probe\\n  -\u003ebrcmf_usb_probe_cb\\n    -\u003ebrcmf_attach\\n      -\u003ebrcmf_bus_started\\n        -\u003ebrcmf_cfg80211_attach\\n          -\u003ewl_init_priv\\n            -\u003ebrcmf_init_escan\\n              -\u003eINIT_WORK(\u0026cfg-\u003eescan_timeout_work,\\n\\t\\t  brcmf_cfg80211_escan_timeout_worker);\\n\\nIf we disconnect the USB by hotplug, it will call\\nbrcmf_usb_disconnect to make cleanup. The invoking chain is :\\n\\nbrcmf_usb_disconnect\\n  -\u003ebrcmf_usb_disconnect_cb\\n    -\u003ebrcmf_detach\\n      -\u003ebrcmf_cfg80211_detach\\n        -\u003ekfree(cfg);\\n\\nWhile the timeout woker may still be running. This will cause\\na use-after-free bug on cfg in brcmf_cfg80211_escan_timeout_worker.\\n\\nFix it by deleting the timer and canceling the worker in\\nbrcmf_cfg80211_detach.\\n\\n[arend.vanspriel@broadcom.com: keep timer delete as is and cancel work just before free]\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-05-29T05:29:25.242Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35811\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-11T17:32:51.552Z\", \"dateReserved\": \"2024-05-17T12:19:12.342Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T13:23:17.508Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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