{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "42cf045086fe",
              "status": "affected",
              "version": "98659487b845",
              "versionType": "git"
            },
            {
              "lessThan": "e8e9f2a12a62",
              "status": "affected",
              "version": "98659487b845",
              "versionType": "git"
            },
            {
              "lessThan": "f7ad91627348",
              "status": "affected",
              "version": "98659487b845",
              "versionType": "git"
            },
            {
              "lessThan": "563aa81fd66a",
              "status": "affected",
              "version": "98659487b845",
              "versionType": "git"
            },
            {
              "lessThan": "293f53263266",
              "status": "affected",
              "version": "98659487b845",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.170",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.115",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.59",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12-rc4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "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-\u003estate` 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\u0027re 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/"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-07T09:31:33.018Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/42cf045086feae77b212f0f66e742b91a5b566b7"
        },
        {
          "url": "https://git.kernel.org/stable/c/e8e9f2a12a6214080c8ea83220a596f6e1dedc6c"
        },
        {
          "url": "https://git.kernel.org/stable/c/f7ad916273483748582d97cfa31054ccb19224f3"
        },
        {
          "url": "https://git.kernel.org/stable/c/563aa81fd66a4e7e6e551a0e02bcc23957cafe2f"
        },
        {
          "url": "https://git.kernel.org/stable/c/293f53263266bc4340d777268ab4328a97f041fa"
        }
      ],
      "title": "drm/msm: Avoid NULL dereference in msm_disp_state_print_regs()",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-50156",
    "datePublished": "2024-11-07T09:31:33.018Z",
    "dateReserved": "2024-10-21T19:36:19.960Z",
    "dateUpdated": "2024-11-07T09:31:33.018Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50156\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-07T10:15:07.127\",\"lastModified\":\"2024-11-08T19:01:03.880\",\"vulnStatus\":\"Awaiting Analysis\",\"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-\u003estate` 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\u0027re 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-\u0026gt;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/\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/293f53263266bc4340d777268ab4328a97f041fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/42cf045086feae77b212f0f66e742b91a5b566b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/563aa81fd66a4e7e6e551a0e02bcc23957cafe2f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e8e9f2a12a6214080c8ea83220a596f6e1dedc6c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f7ad916273483748582d97cfa31054ccb19224f3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}