CVE-2025-23147 (GCVE-0-2025-23147)
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: i3c: Add NULL pointer check in i3c_master_queue_ibi() The I3C master driver may receive an IBI from a target device that has not been probed yet. In such cases, the master calls `i3c_master_queue_ibi()` to queue an IBI work task, leading to "Unable to handle kernel read from unreadable memory" and resulting in a kernel panic. Typical IBI handling flow: 1. The I3C master scans target devices and probes their respective drivers. 2. The target device driver calls `i3c_device_request_ibi()` to enable IBI and assigns `dev->ibi = ibi`. 3. The I3C master receives an IBI from the target device and calls `i3c_master_queue_ibi()` to queue the target device driver’s IBI handler task. However, since target device events are asynchronous to the I3C probe sequence, step 3 may occur before step 2, causing `dev->ibi` to be `NULL`, leading to a kernel panic. Add a NULL pointer check in `i3c_master_queue_ibi()` to prevent accessing an uninitialized `dev->ibi`, ensuring stability.
References
Impacted products
Vendor Product Version
Linux Linux Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
Version: 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0
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{
  "containers": {
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          "product": "Linux",
          "programFiles": [
            "drivers/i3c/master.c"
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        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/i3c/master.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.0"
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.4.293",
              "versionType": "semver"
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.237",
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              "version": "5.15.181",
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              "version": "6.1.135",
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              "lessThanOrEqual": "6.12.*",
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              "version": "6.12.24",
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              "lessThanOrEqual": "6.13.*",
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              "version": "6.13.12",
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              "version": "6.14.3",
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              "lessThanOrEqual": "*",
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              "version": "6.15",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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          "nodes": [
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: Add NULL pointer check in i3c_master_queue_ibi()\n\nThe I3C master driver may receive an IBI from a target device that has not\nbeen probed yet. In such cases, the master calls `i3c_master_queue_ibi()`\nto queue an IBI work task, leading to \"Unable to handle kernel read from\nunreadable memory\" and resulting in a kernel panic.\n\nTypical IBI handling flow:\n1. The I3C master scans target devices and probes their respective drivers.\n2. The target device driver calls `i3c_device_request_ibi()` to enable IBI\n   and assigns `dev-\u003eibi = ibi`.\n3. The I3C master receives an IBI from the target device and calls\n   `i3c_master_queue_ibi()` to queue the target device driver\u2019s IBI\n   handler task.\n\nHowever, since target device events are asynchronous to the I3C probe\nsequence, step 3 may occur before step 2, causing `dev-\u003eibi` to be `NULL`,\nleading to a kernel panic.\n\nAdd a NULL pointer check in `i3c_master_queue_ibi()` to prevent accessing\nan uninitialized `dev-\u003eibi`, ensuring stability."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:19:28.025Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1b54faa5f47fa7c642179744aeff03f0810dc62e"
        },
        {
          "url": "https://git.kernel.org/stable/c/09359e7c8751961937cb5fc50220969b0a4e1058"
        },
        {
          "url": "https://git.kernel.org/stable/c/3ba402610843d7d15c7f3966a461deeeaff7fba4"
        },
        {
          "url": "https://git.kernel.org/stable/c/d83b0c03ef8fbea2f03029a1cc1f5041f0e1d47f"
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          "url": "https://git.kernel.org/stable/c/6871a676aa534e8f218279672e0445c725f81026"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6bba328578feb58c614c11868c259b40484c5fa"
        },
        {
          "url": "https://git.kernel.org/stable/c/fe4a4fc179b7898055555a11685915473588392e"
        },
        {
          "url": "https://git.kernel.org/stable/c/ff9d61db59bb27d16d3f872bff2620d50856b80c"
        },
        {
          "url": "https://git.kernel.org/stable/c/bd496a44f041da9ef3afe14d1d6193d460424e91"
        }
      ],
      "title": "i3c: Add NULL pointer check in i3c_master_queue_ibi()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-23147",
    "datePublished": "2025-05-01T12:55:36.099Z",
    "dateReserved": "2025-01-11T14:28:41.513Z",
    "dateUpdated": "2025-05-26T05:19:28.025Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-23147\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T13:15:50.563\",\"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\\ni3c: Add NULL pointer check in i3c_master_queue_ibi()\\n\\nThe I3C master driver may receive an IBI from a target device that has not\\nbeen probed yet. In such cases, the master calls `i3c_master_queue_ibi()`\\nto queue an IBI work task, leading to \\\"Unable to handle kernel read from\\nunreadable memory\\\" and resulting in a kernel panic.\\n\\nTypical IBI handling flow:\\n1. The I3C master scans target devices and probes their respective drivers.\\n2. The target device driver calls `i3c_device_request_ibi()` to enable IBI\\n   and assigns `dev-\u003eibi = ibi`.\\n3. The I3C master receives an IBI from the target device and calls\\n   `i3c_master_queue_ibi()` to queue the target device driver\u2019s IBI\\n   handler task.\\n\\nHowever, since target device events are asynchronous to the I3C probe\\nsequence, step 3 may occur before step 2, causing `dev-\u003eibi` to be `NULL`,\\nleading to a kernel panic.\\n\\nAdd a NULL pointer check in `i3c_master_queue_ibi()` to prevent accessing\\nan uninitialized `dev-\u003eibi`, ensuring stability.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: i3c: A\u00f1adir comprobaci\u00f3n de puntero nulo en i3c_master_queue_ibi(). El controlador maestro I3C puede recibir una IBI de un dispositivo de destino que a\u00fan no se ha sondeado. En tales casos, el maestro llama a `i3c_master_queue_ibi()` para poner en cola una tarea de trabajo IBI, lo que genera el error \\\"No se puede manejar la lectura del kernel desde memoria ilegible\\\" y provoca un p\u00e1nico del kernel. Flujo t\u00edpico de manejo de IBI: 1. El maestro I3C escanea los dispositivos de destino y sondea sus respectivos controladores. 2. El controlador del dispositivo de destino llama a `i3c_device_request_ibi()` para habilitar IBI y asigna `dev-\u0026gt;ibi = ibi`. 3. El maestro I3C recibe una IBI del dispositivo de destino y llama a `i3c_master_queue_ibi()` para poner en cola la tarea de manejo de IBI del controlador del dispositivo de destino. Sin embargo, dado que los eventos del dispositivo de destino son as\u00edncronos a la secuencia de sondeo I3C, el paso 3 puede ocurrir antes del paso 2, lo que provoca que `dev-\u0026gt;ibi` sea `NULL` y provoque un p\u00e1nico del kernel. Agregue una comprobaci\u00f3n de puntero NULL en `i3c_master_queue_ibi()` para evitar el acceso a un `dev-\u0026gt;ibi` sin inicializar, garantizando as\u00ed la estabilidad.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/09359e7c8751961937cb5fc50220969b0a4e1058\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1b54faa5f47fa7c642179744aeff03f0810dc62e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3ba402610843d7d15c7f3966a461deeeaff7fba4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6871a676aa534e8f218279672e0445c725f81026\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bd496a44f041da9ef3afe14d1d6193d460424e91\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d83b0c03ef8fbea2f03029a1cc1f5041f0e1d47f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e6bba328578feb58c614c11868c259b40484c5fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fe4a4fc179b7898055555a11685915473588392e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ff9d61db59bb27d16d3f872bff2620d50856b80c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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