CVE-2024-53201
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null check for pipe_ctx->plane_state in dcn20_program_pipe This commit addresses a null pointer dereference issue in dcn20_program_pipe(). Previously, commit 8e4ed3cf1642 ("drm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe") partially fixed the null pointer dereference issue. However, in dcn20_update_dchubp_dpp(), the variable pipe_ctx is passed in, and plane_state is accessed again through pipe_ctx. Multiple if statements directly call attributes of plane_state, leading to potential null pointer dereference issues. This patch adds necessary null checks to ensure stability.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2024-12-27 14:15:27.853000
Last modified
2026-10-30 13:17:45.563000
View original CVE JSON
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"id": "CVE-2024-53201",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-12-27T14:15:27.853",
"lastModified": "2026-10-30T13:17:45.563",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix null check for pipe_ctx->plane_state in dcn20_program_pipe\n\nThis commit addresses a null pointer dereference issue in\ndcn20_program_pipe(). Previously, commit 8e4ed3cf1642 (\"drm/amd/display:\nAdd null check for pipe_ctx->plane_state in dcn20_program_pipe\")\npartially fixed the null pointer dereference issue. However, in\ndcn20_update_dchubp_dpp(), the variable pipe_ctx is passed in, and\nplane_state is accessed again through pipe_ctx. Multiple if statements\ndirectly call attributes of plane_state, leading to potential null\npointer dereference issues. This patch adds necessary null checks to\nensure stability."
},
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Fix null check for pipe_ctx->plane_state in dcn20_program_pipe Esta confirmación soluciona un problema de desreferencia de puntero nulo en dcn20_program_pipe(). Anteriormente, el commit 8e4ed3cf1642 (\"drm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe\") solucionó parcialmente el problema de desreferencia de puntero nulo. Sin embargo, en dcn20_update_dchubp_dpp(), se pasa la variable pipe_ctx y se accede nuevamente a plane_state a través de pipe_ctx. Varias declaraciones if llaman directamente a los atributos de plane_state, lo que lleva a posibles problemas de desreferencia de puntero nulo. Este parche agrega las comprobaciones nulas necesarias para garantizar la estabilidad."
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