CVE-2025-23151 (GCVE-0-2025-23151)
Vulnerability from cvelistv5
Published
2025-05-01 12:55
Modified
2025-05-26 05:19
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Fix race between unprepare and queue_buf A client driver may use mhi_unprepare_from_transfer() to quiesce incoming data during the client driver's tear down. The client driver might also be processing data at the same time, resulting in a call to mhi_queue_buf() which will invoke mhi_gen_tre(). If mhi_gen_tre() runs after mhi_unprepare_from_transfer() has torn down the channel, a panic will occur due to an invalid dereference leading to a page fault. This occurs because mhi_gen_tre() does not verify the channel state after locking it. Fix this by having mhi_gen_tre() confirm the channel state is valid, or return error to avoid accessing deinitialized data. [mani: added stable tag]
References
Impacted products
Vendor Product Version
Linux Linux Version: 176ed1727badd2fad2158e2b214dcbc24f4be7a1
Version: 0b093176fd0967a5f56e2c86b0d48247f6c0fa0f
Version: ce16274a6b8d1483d0d8383272deb2bfd1b577ca
Version: b89b6a863dd53bc70d8e52d50f9cfaef8ef5e9c9
Version: b89b6a863dd53bc70d8e52d50f9cfaef8ef5e9c9
Version: b89b6a863dd53bc70d8e52d50f9cfaef8ef5e9c9
Version: b89b6a863dd53bc70d8e52d50f9cfaef8ef5e9c9
Version: 642adb03541673f3897f64bbb62856ffd73807f5
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{
  "containers": {
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          "programFiles": [
            "drivers/bus/mhi/host/main.c"
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              "version": "0",
              "versionType": "semver"
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              "version": "5.15.181",
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              "version": "6.6.88",
              "versionType": "semver"
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              "version": "6.12.24",
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              "status": "unaffected",
              "version": "6.13.12",
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: host: Fix race between unprepare and queue_buf\n\nA client driver may use mhi_unprepare_from_transfer() to quiesce\nincoming data during the client driver\u0027s tear down. The client driver\nmight also be processing data at the same time, resulting in a call to\nmhi_queue_buf() which will invoke mhi_gen_tre(). If mhi_gen_tre() runs\nafter mhi_unprepare_from_transfer() has torn down the channel, a panic\nwill occur due to an invalid dereference leading to a page fault.\n\nThis occurs because mhi_gen_tre() does not verify the channel state\nafter locking it. Fix this by having mhi_gen_tre() confirm the channel\nstate is valid, or return error to avoid accessing deinitialized data.\n\n[mani: added stable tag]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:19:33.101Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/899d0353ea69681f474b6bc9de32c663b89672da"
        },
        {
          "url": "https://git.kernel.org/stable/c/3e7ecf181cbdde9753204ada3883ca1704d8702b"
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        },
        {
          "url": "https://git.kernel.org/stable/c/0686a818d77a431fc3ba2fab4b46bbb04e8c9380"
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      "title": "bus: mhi: host: Fix race between unprepare and queue_buf",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-23151",
    "datePublished": "2025-05-01T12:55:38.833Z",
    "dateReserved": "2025-01-11T14:28:41.513Z",
    "dateUpdated": "2025-05-26T05:19:33.101Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-23151\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T13:15:51.003\",\"lastModified\":\"2025-05-02T13:53:20.943\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbus: mhi: host: Fix race between unprepare and queue_buf\\n\\nA client driver may use mhi_unprepare_from_transfer() to quiesce\\nincoming data during the client driver\u0027s tear down. The client driver\\nmight also be processing data at the same time, resulting in a call to\\nmhi_queue_buf() which will invoke mhi_gen_tre(). If mhi_gen_tre() runs\\nafter mhi_unprepare_from_transfer() has torn down the channel, a panic\\nwill occur due to an invalid dereference leading to a page fault.\\n\\nThis occurs because mhi_gen_tre() does not verify the channel state\\nafter locking it. Fix this by having mhi_gen_tre() confirm the channel\\nstate is valid, or return error to avoid accessing deinitialized data.\\n\\n[mani: added stable tag]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bus: mhi: host: Correcci\u00f3n de la competencia entre unprepare y queue_buf. Un controlador de cliente podr\u00eda usar mhi_unprepare_from_transfer() para silenciar los datos entrantes durante su desconexi\u00f3n. El controlador de cliente tambi\u00e9n podr\u00eda estar procesando datos simult\u00e1neamente, lo que resulta en una llamada a mhi_queue_buf(), que invocar\u00e1 mhi_gen_tre(). Si mhi_gen_tre() se ejecuta despu\u00e9s de que mhi_unprepare_from_transfer() haya desconectado el canal, se producir\u00e1 un p\u00e1nico debido a una desreferencia no v\u00e1lida que provoca un fallo de p\u00e1gina. Esto ocurre porque mhi_gen_tre() no verifica el estado del canal despu\u00e9s de bloquearlo. Para solucionar esto, haga que mhi_gen_tre() confirme que el estado del canal es v\u00e1lido o devuelva un error para evitar acceder a los datos desinicializados. [mani: etiqueta estable a\u00f1adida]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0686a818d77a431fc3ba2fab4b46bbb04e8c9380\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/178e5657c8fd285125cc6743a81b513bce099760\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3e7ecf181cbdde9753204ada3883ca1704d8702b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5f084993c90d9d0b4a52a349ede5120f992a7ca1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/899d0353ea69681f474b6bc9de32c663b89672da\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a77955f7704b2a00385e232cbcc1cb06b5c7a425\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ee1fce83ed56450087309b9b74ad9bcb2b010fa6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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