{
  "id": "CVE-2024-42146",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-07-30T08:15:06.313",
  "lastModified": "2024-12-11T15:25:10.997",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Add outer runtime_pm protection to xe_live_ktest@xe_dma_buf\n\nAny kunit doing any memory access should get their own runtime_pm\nouter references since they don't use the standard driver API\nentries. In special this dma_buf from the same driver.\n\nFound by pre-merge CI on adding WARN calls for unprotected\ninner callers:\n\n<6> [318.639739]     # xe_dma_buf_kunit: running xe_test_dmabuf_import_same_driver\n<4> [318.639957] ------------[ cut here ]------------\n<4> [318.639967] xe 0000:4d:00.0: Missing outer runtime PM protection\n<4> [318.640049] WARNING: CPU: 117 PID: 3832 at drivers/gpu/drm/xe/xe_pm.c:533 xe_pm_runtime_get_noresume+0x48/0x60 [xe]"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/xe: agregue protecci\u00f3n runtime_pm externa a xe_live_ktest@xe_dma_buf. Cualquier kunit que acceda a la memoria debe obtener sus propias referencias externas runtime_pm ya que no usan las entradas API del controlador est\u00e1ndar. En especial este dma_buf del mismo controlador. Encontrado por CI previo a la fusi\u00f3n al agregar llamadas WARN para llamadores internos desprotegidos: &lt;6&gt; [318.639739] # xe_dma_buf_kunit: ejecutando xe_test_dmabuf_import_same_driver &lt;4&gt; [318.639957] ------------[ cortar aqu\u00ed ]-- ---------- &lt;4&gt; [318.639967] xe 0000:4d:00.0: Falta protecci\u00f3n PM de tiempo de ejecuci\u00f3n externo &lt;4&gt; [318.640049] ADVERTENCIA: CPU: 117 PID: 3832 en drivers/gpu/drm/xe /xe_pm.c:533 xe_pm_runtime_get_noresume+0x48/0x60 [xe]"
    }
  ],
  "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": "6.8",
              "versionEndExcluding": "6.9.9",
              "matchCriteriaId": "5726EB4D-ED18-4DEC-B0C0-A525D33487E1"
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0888d15ea45ba8ef4508edd1123ea5ad95b58994",
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}