cve-2023-52485
Vulnerability from cvelistv5
Published
2024-02-29 14:57
Modified
2024-11-13 18:26
Severity ?
Summary
drm/amd/display: Wake DMCUB before sending a command
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c",
            "drivers/gpu/drm/amd/display/dc/bios/command_table2.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/core/dc.c",
            "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c",
            "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c",
            "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h",
            "drivers/gpu/drm/amd/display/dc/dc_helper.c",
            "drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c",
            "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c",
            "drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c",
            "drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c",
            "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c",
            "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c",
            "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c",
            "drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c",
            "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c",
            "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c",
            "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c",
            "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c",
            "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "1da177e4c3f4",
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              "version": "1da177e4c3f4",
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          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c",
            "drivers/gpu/drm/amd/display/dc/bios/command_table2.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c",
            "drivers/gpu/drm/amd/display/dc/core/dc.c",
            "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c",
            "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c",
            "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h",
            "drivers/gpu/drm/amd/display/dc/dc_helper.c",
            "drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c",
            "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c",
            "drivers/gpu/drm/amd/display/dc/dce/dmub_outbox.c",
            "drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c",
            "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c",
            "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c",
            "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c",
            "drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c",
            "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c",
            "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c",
            "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c",
            "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c",
            "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Wake DMCUB before sending a command\n\n[Why]\nWe can hang in place trying to send commands when the DMCUB isn\u0027t\npowered on.\n\n[How]\nFor functions that execute within a DC context or DC lock we can\nwrap the direct calls to dm_execute_dmub_cmd/list with code that\nexits idle power optimizations and reallows once we\u0027re done with\nthe command submission on success.\n\nFor DM direct submissions the DM will need to manage the enter/exit\nsequencing manually.\n\nWe cannot invoke a DMCUB command directly within the DM execution\nhelper or we can deadlock."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T14:47:46.343Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "title": "drm/amd/display: Wake DMCUB before sending a command",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52485",
    "datePublished": "2024-02-29T14:57:51.179Z",
    "dateReserved": "2024-02-20T12:30:33.301Z",
    "dateUpdated": "2024-11-13T18:26:57.574Z",
    "state": "PUBLISHED"
  },
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  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52485\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-29T15:15:07.397\",\"lastModified\":\"2024-02-29T18:06:42.010\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Wake DMCUB before sending a command\\n\\n[Why]\\nWe can hang in place trying to send commands when the DMCUB isn\u0027t\\npowered on.\\n\\n[How]\\nFor functions that execute within a DC context or DC lock we can\\nwrap the direct calls to dm_execute_dmub_cmd/list with code that\\nexits idle power optimizations and reallows once we\u0027re done with\\nthe command submission on success.\\n\\nFor DM direct submissions the DM will need to manage the enter/exit\\nsequencing manually.\\n\\nWe cannot invoke a DMCUB command directly within the DM execution\\nhelper or we can deadlock.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: activa DMCUB antes de enviar un comando [Por qu\u00e9] Podemos quedarnos quietos intentando enviar comandos cuando DMCUB no est\u00e1 encendido. [C\u00f3mo] Para funciones que se ejecutan dentro de un contexto de DC o bloqueo de DC, podemos ajustar las llamadas directas a dm_execute_dmub_cmd/list con c\u00f3digo que salga de las optimizaciones de energ\u00eda inactivas y se vuelva a permitir una vez que hayamos terminado con el env\u00edo del comando en caso de \u00e9xito. Para env\u00edos directos de DM, el DM deber\u00e1 gestionar la secuencia de entrada/salida manualmente. No podemos invocar un comando DMCUB directamente dentro del asistente de ejecuci\u00f3n de DM o podemos bloquearnos.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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