gsd-2024-26648
Vulnerability from gsd
Modified
2024-02-20 06:02
Details
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay() In edp_setup_replay(), 'struct dc *dc' & 'struct dmub_replay *replay' was dereferenced before the pointer 'link' & 'replay' NULL check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'link' (see line 933)
Aliases



{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-26648"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()\n\nIn edp_setup_replay(), \u0027struct dc *dc\u0027 \u0026 \u0027struct dmub_replay *replay\u0027\nwas dereferenced before the pointer \u0027link\u0027 \u0026 \u0027replay\u0027 NULL check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check \u0027link\u0027 (see line 933)",
      "id": "GSD-2024-26648",
      "modified": "2024-02-20T06:02:29.285829Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2024-26648",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "1da177e4c3f4",
                          "version_value": "22ae604aea14"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "lessThanOrEqual": "6.6.*",
                                "status": "unaffected",
                                "version": "6.6.15",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "6.7.*",
                                "status": "unaffected",
                                "version": "6.7.3",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "6.8",
                                "versionType": "original_commit_for_fix"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Linux"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()\n\nIn edp_setup_replay(), \u0027struct dc *dc\u0027 \u0026 \u0027struct dmub_replay *replay\u0027\nwas dereferenced before the pointer \u0027link\u0027 \u0026 \u0027replay\u0027 NULL check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check \u0027link\u0027 (see line 933)"
          }
        ]
      },
      "generator": {
        "engine": "bippy-b4257b672505"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935"
          },
          {
            "name": "https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7"
          },
          {
            "name": "https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857c",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857c"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()\n\nIn edp_setup_replay(), \u0027struct dc *dc\u0027 \u0026 \u0027struct dmub_replay *replay\u0027\nwas dereferenced before the pointer \u0027link\u0027 \u0026 \u0027replay\u0027 NULL check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check \u0027link\u0027 (see line 933)"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amd/display: se corrigi\u00f3 la diferenciaci\u00f3n de variables antes de la verificaci\u00f3n NULL en edp_setup_replay() En edp_setup_replay(), se elimin\u00f3 la referencia a \u0027struct dc *dc\u0027 y \u0027struct dmub_replay *replay\u0027 antes de la comprobaci\u00f3n NULL del puntero \u0027enlace\u0027 y \u0027repetici\u00f3n\u0027. Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() advertencia: variable desreferenciada antes de marcar \u0027enlace\u0027 (ver l\u00ednea 933)"
          }
        ],
        "id": "CVE-2024-26648",
        "lastModified": "2024-03-27T12:29:41.530",
        "metrics": {},
        "published": "2024-03-26T18:15:10.220",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/22ae604aea14756954e1c00ae653e34d2afd2935"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/7073934f5d73f8b53308963cee36f0d389ea857c"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/c02d257c654191ecda1dc1af6875d527e85310e7"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}


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