{
  "id": "CVE-2024-50156",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-11-07T10:15:07.127",
  "lastModified": "2024-11-20T13:58:04.447",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm: Avoid NULL dereference in msm_disp_state_print_regs()\n\nIf the allocation in msm_disp_state_dump_regs() failed then\n`block->state` can be NULL. The msm_disp_state_print_regs() function\n_does_ have code to try to handle it with:\n\n  if (*reg)\n    dump_addr = *reg;\n\n...but since \"dump_addr\" is initialized to NULL the above is actually\na noop. The code then goes on to dereference `dump_addr`.\n\nMake the function print \"Registers not stored\" when it sees a NULL to\nsolve this. Since we're touching the code, fix\nmsm_disp_state_print_regs() not to pointlessly take a double-pointer\nand properly mark the pointer as `const`.\n\nPatchwork: https://patchwork.freedesktop.org/patch/619657/"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm: Evitar la desreferenciaci\u00f3n NULL en msm_disp_state_print_regs() Si la asignaci\u00f3n en msm_disp_state_dump_regs() falla, entonces `block->state` puede ser NULL. La funci\u00f3n msm_disp_state_print_regs() _s\u00ed_ tiene c\u00f3digo para intentar manejarlo con: if (*reg) dump_addr = *reg; ...pero como \"dump_addr\" se inicializa a NULL, lo anterior es en realidad un noop. Luego, el c\u00f3digo contin\u00faa para desreferenciar `dump_addr`. Haga que la funci\u00f3n imprima \"Registros no almacenados\" cuando vea un NULL para resolver esto. Ya que estamos tocando el c\u00f3digo, arregle msm_disp_state_print_regs() para que no tome un puntero doble sin sentido y marque correctamente el puntero como `const`. Parche: https://patchwork.freedesktop.org/patch/619657/"
    }
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
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