{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-02T10:51:00.020","vulnerabilities":[{"cve":{"id":"CVE-2025-40148","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-11-12T11:15:44.700","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add NULL pointer checks in dc_stream cursor attribute functions\n\nThe function dc_stream_set_cursor_attributes() currently dereferences\nthe `stream` pointer and nested members `stream->ctx->dc->current_state`\nwithout checking for NULL.\n\nAll callers of these functions, such as in\n`dcn30_apply_idle_power_optimizations()` and\n`amdgpu_dm_plane_handle_cursor_update()`, already perform NULL checks\nbefore calling these functions.\n\nFixes below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c:336 dc_stream_program_cursor_attributes()\nerror: we previously assumed 'stream' could be null (see line 334)\n\ndrivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c\n    327 bool dc_stream_program_cursor_attributes(\n    328         struct dc_stream_state *stream,\n    329         const struct dc_cursor_attributes *attributes)\n    330 {\n    331         struct dc  *dc;\n    332         bool reset_idle_optimizations = false;\n    333\n    334         dc = stream ? stream->ctx->dc : NULL;\n                     ^^^^^^\nThe old code assumed stream could be NULL.\n\n    335\n--> 336         if (dc_stream_set_cursor_attributes(stream, attributes)) {\n                                                    ^^^^^^\nThe refactor added an unchecked dereference.\n\ndrivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_stream.c\n   313  bool dc_stream_set_cursor_attributes(\n   314          struct dc_stream_state *stream,\n   315          const struct dc_cursor_attributes *attributes)\n   316  {\n   317          bool result = false;\n   318\n   319          if (dc_stream_check_cursor_attributes(stream, stream->ctx->dc->current_state, attributes)) {\n                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Here.\nThis function used to check for if stream as NULL and return false at\nthe start. Probably we should add that back."}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/01e793e7d4d402c473f1a61ca5824f086693be65","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bf4e4b97d0fdc66f04fc19d807e24dd8421b8f11","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}