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CVE-2024-49913

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Add null check for top_pipe_to_program in commit_planes_for_stream

This commit addresses a null pointer dereference issue in the `commit_planes_for_stream` function at line 4140. The issue could occur when `top_pipe_to_program` is null.

The fix adds a check to ensure `top_pipe_to_program` is not null before accessing its stream_res. This prevents a null pointer dereference.

Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:4140 commit_planes_for_stream() error: we previously assumed 'top_pipe_to_program' could be null (see line 3906)

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
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          "value": "CWE-476"
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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add null check for top_pipe_to_program in commit_planes_for_stream\n\nThis commit addresses a null pointer dereference issue in the\n`commit_planes_for_stream` function at line 4140. The issue could occur\nwhen `top_pipe_to_program` is null.\n\nThe fix adds a check to ensure `top_pipe_to_program` is not null before\naccessing its stream_res. This prevents a null pointer dereference.\n\nReported by smatch:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:4140 commit_planes_for_stream() error: we previously assumed 'top_pipe_to_program' could be null (see line 3906)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Agregar comprobación NULL para top_pipe_to_program en commit_planes_for_stream Esta confirmación soluciona un problema de desreferencia de puntero nulo en la función `commit_planes_for_stream` en la línea 4140. El problema podría ocurrir cuando `top_pipe_to_program` es nulo. La corrección agrega una comprobación para garantizar que `top_pipe_to_program` no sea nulo antes de acceder a su stream_res. Esto evita una desreferencia de puntero nulo. Reportado por smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:4140 Error de commit_planes_for_stream(): anteriormente asumimos que 'top_pipe_to_program' podría ser nulo (consulte la línea 3906)"
    }
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  "lastModified": "2026-06-17T08:00:43.400",
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