CVE-2024-26797

{"id": "CVE-2024-26797", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-04-04T09:15:08.843", "references": [{"url": "https://git.kernel.org/stable/c/0f8ca019544a252d1afb468ce840c6dcbac73af4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/50a6302cf881f67f1410461a68fe9eabd00ff31d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Prevent potential buffer overflow in map_hw_resources\n\nAdds a check in the map_hw_resources function to prevent a potential\nbuffer overflow. The function was accessing arrays using an index that\ncould potentially be greater than the size of the arrays, leading to a\nbuffer overflow.\n\nAdds a check to ensure that the index is within the bounds of the\narrays. If the index is out of bounds, an error message is printed and\nbreak it will continue execution with just ignoring extra data early to\nprevent the buffer overflow.\n\nReported by smatch:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_wrapper.c:79 map_hw_resources() error: buffer overflow 'dml2->v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_stream_id' 6 <= 7\ndrivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_wrapper.c:81 map_hw_resources() error: buffer overflow 'dml2->v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_plane_id' 6 <= 7"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Previene un posible desbordamiento del b\u00fafer en map_hw_resources Agrega una verificaci\u00f3n en la funci\u00f3n map_hw_resources para evitar un posible desbordamiento del b\u00fafer. La funci\u00f3n acced\u00eda a matrices utilizando un \u00edndice que potencialmente podr\u00eda ser mayor que el tama\u00f1o de las matrices, lo que provocaba un desbordamiento del b\u00fafer. Agrega una verificaci\u00f3n para garantizar que el \u00edndice est\u00e9 dentro de los l\u00edmites de las matrices. Si el \u00edndice est\u00e1 fuera de los l\u00edmites, se imprime un mensaje de error y, al interrumpirlo, continuar\u00e1 la ejecuci\u00f3n ignorando los datos adicionales antes de tiempo para evitar el desbordamiento del b\u00fafer. Reportado por smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_wrapper.c:79 error map_hw_resources(): desbordamiento del b\u00fafer 'dml2-&gt;v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_stream_id' 6 &lt;= 7 controladores/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_wrapper.c:81 error map_hw_resources(): desbordamiento del b\u00fafer 'dml2-&gt;v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_plane_id' 6 &lt;= 7"}], "lastModified": "2024-08-01T13:48:13.443", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}