fkie_cve-2024-49894
Vulnerability from fkie_nvd
Published
2024-10-21 18:15
Modified
2024-11-08 16:15
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix index out of bounds in degamma hardware format translation Fixes index out of bounds issue in `cm_helper_translate_curve_to_degamma_hw_format` function. The issue could occur when the index 'i' exceeds the number of transfer function points (TRANSFER_FUNC_POINTS). The fix adds a check to ensure 'i' is within bounds before accessing the transfer function points. If 'i' is out of bounds the function returns false to indicate an error. Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/07078fa5d589a7fbce8f81ea8acf7aa0021ab38ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/122e3a7a8c7bcbe3aacddd6103f67f9f36bed473Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2495c8e272d84685403506833a664fad932e453aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f5da549535be8ccd2ab7c9abac8562ad370b181Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b3dfa878257a7e98830b3009ca5831a01d8f85fc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b7e99058eb2e86aabd7a10761e76cae33d22b49fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c130a3c09e3746c1a09ce26c20d21d449d039b1dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c6979719012a90e5b8e3bc31725fbfdd0b9b2b79Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f5f6d90087131812c1e4b9d3103f400f1624396d
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix index out of bounds in degamma hardware format translation\n\nFixes index out of bounds issue in\n`cm_helper_translate_curve_to_degamma_hw_format` function. The issue\ncould occur when the index \u0027i\u0027 exceeds the number of transfer function\npoints (TRANSFER_FUNC_POINTS).\n\nThe fix adds a check to ensure \u0027i\u0027 is within bounds before accessing the\ntransfer function points. If \u0027i\u0027 is out of bounds the function returns\nfalse to indicate an error.\n\nReported by smatch:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.red\u0027 1025 \u003c= s32max\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.green\u0027 1025 \u003c= s32max\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow \u0027output_tf-\u003etf_pts.blue\u0027 1025 \u003c= s32max"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Corrige el \u00edndice fuera de los l\u00edmites en la traducci\u00f3n del formato de hardware degamma Corrige el problema del \u00edndice fuera de los l\u00edmites en la funci\u00f3n `cm_helper_translate_curve_to_degamma_hw_format`. El problema podr\u00eda ocurrir cuando el \u00edndice \u0027i\u0027 excede el n\u00famero de puntos de funci\u00f3n de transferencia (TRANSFER_FUNC_POINTS). La correcci\u00f3n agrega una verificaci\u00f3n para garantizar que \u0027i\u0027 est\u00e9 dentro de los l\u00edmites antes de acceder a los puntos de funci\u00f3n de transferencia. Si \u0027i\u0027 est\u00e1 fuera de los l\u00edmites, la funci\u00f3n devuelve falso para indicar un error. Reportado por smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: desbordamiento de b\u00fafer \u0027output_tf-\u0026gt;tf_pts.red\u0027 1025 \u0026lt;= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: desbordamiento de b\u00fafer \u0027output_tf-\u0026gt;tf_pts.green\u0027 1025 \u0026lt;= s32max drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: desbordamiento de b\u00fafer \u0027output_tf-\u0026gt;tf_pts.blue\u0027 1025 \u0026lt;= s32max"
    }
  ],
  "id": "CVE-2024-49894",
  "lastModified": "2024-11-08T16:15:30.823",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2024-10-21T18:15:11.913",
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  "vulnStatus": "Modified",
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          "value": "CWE-129"
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      "source": "nvd@nist.gov",
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}


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