gsd-2021-47042
Vulnerability from gsd
Modified
2024-02-28 06:03
Details
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Free local data after use Fixes the following memory leak in dc_link_construct(): unreferenced object 0xffffa03e81471400 (size 1024): comm "amd_module_load", pid 2486, jiffies 4294946026 (age 10.544s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000000bdf5c4a>] kmem_cache_alloc_trace+0x30a/0x4a0 [<00000000e7c59f0e>] link_create+0xce/0xac0 [amdgpu] [<000000002fb6c072>] dc_create+0x370/0x720 [amdgpu] [<000000000094d1f3>] amdgpu_dm_init+0x18e/0x17a0 [amdgpu] [<00000000bec048fd>] dm_hw_init+0x12/0x20 [amdgpu] [<00000000a2bb7cf6>] amdgpu_device_init+0x1463/0x1e60 [amdgpu] [<0000000032d3bb13>] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu] [<00000000a27834f9>] amdgpu_pci_probe+0x192/0x280 [amdgpu] [<00000000fec7d291>] local_pci_probe+0x47/0xa0 [<0000000055dbbfa7>] pci_device_probe+0xe3/0x180 [<00000000815da970>] really_probe+0x1c4/0x4e0 [<00000000b4b6974b>] driver_probe_device+0x62/0x150 [<000000000f9ecc61>] device_driver_attach+0x58/0x60 [<000000000f65c843>] __driver_attach+0xd6/0x150 [<000000002f5e3683>] bus_for_each_dev+0x6a/0xc0 [<00000000a1cfc897>] driver_attach+0x1e/0x20
Aliases



{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-47042"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Free local data after use\n\nFixes the following memory leak in dc_link_construct():\n\nunreferenced object 0xffffa03e81471400 (size 1024):\ncomm \"amd_module_load\", pid 2486, jiffies 4294946026 (age 10.544s)\nhex dump (first 32 bytes):\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\nbacktrace:\n[\u003c000000000bdf5c4a\u003e] kmem_cache_alloc_trace+0x30a/0x4a0\n[\u003c00000000e7c59f0e\u003e] link_create+0xce/0xac0 [amdgpu]\n[\u003c000000002fb6c072\u003e] dc_create+0x370/0x720 [amdgpu]\n[\u003c000000000094d1f3\u003e] amdgpu_dm_init+0x18e/0x17a0 [amdgpu]\n[\u003c00000000bec048fd\u003e] dm_hw_init+0x12/0x20 [amdgpu]\n[\u003c00000000a2bb7cf6\u003e] amdgpu_device_init+0x1463/0x1e60 [amdgpu]\n[\u003c0000000032d3bb13\u003e] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu]\n[\u003c00000000a27834f9\u003e] amdgpu_pci_probe+0x192/0x280 [amdgpu]\n[\u003c00000000fec7d291\u003e] local_pci_probe+0x47/0xa0\n[\u003c0000000055dbbfa7\u003e] pci_device_probe+0xe3/0x180\n[\u003c00000000815da970\u003e] really_probe+0x1c4/0x4e0\n[\u003c00000000b4b6974b\u003e] driver_probe_device+0x62/0x150\n[\u003c000000000f9ecc61\u003e] device_driver_attach+0x58/0x60\n[\u003c000000000f65c843\u003e] __driver_attach+0xd6/0x150\n[\u003c000000002f5e3683\u003e] bus_for_each_dev+0x6a/0xc0\n[\u003c00000000a1cfc897\u003e] driver_attach+0x1e/0x20",
      "id": "GSD-2021-47042",
      "modified": "2024-02-28T06:03:55.886655Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2021-47042",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "3a00c04212d1",
                          "version_value": "296443139f89"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "status": "affected",
                                "version": "5.12"
                              },
                              {
                                "lessThan": "5.12",
                                "status": "unaffected",
                                "version": "0",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.12.*",
                                "status": "unaffected",
                                "version": "5.12.4",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "5.13",
                                "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: Free local data after use\n\nFixes the following memory leak in dc_link_construct():\n\nunreferenced object 0xffffa03e81471400 (size 1024):\ncomm \"amd_module_load\", pid 2486, jiffies 4294946026 (age 10.544s)\nhex dump (first 32 bytes):\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\nbacktrace:\n[\u003c000000000bdf5c4a\u003e] kmem_cache_alloc_trace+0x30a/0x4a0\n[\u003c00000000e7c59f0e\u003e] link_create+0xce/0xac0 [amdgpu]\n[\u003c000000002fb6c072\u003e] dc_create+0x370/0x720 [amdgpu]\n[\u003c000000000094d1f3\u003e] amdgpu_dm_init+0x18e/0x17a0 [amdgpu]\n[\u003c00000000bec048fd\u003e] dm_hw_init+0x12/0x20 [amdgpu]\n[\u003c00000000a2bb7cf6\u003e] amdgpu_device_init+0x1463/0x1e60 [amdgpu]\n[\u003c0000000032d3bb13\u003e] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu]\n[\u003c00000000a27834f9\u003e] amdgpu_pci_probe+0x192/0x280 [amdgpu]\n[\u003c00000000fec7d291\u003e] local_pci_probe+0x47/0xa0\n[\u003c0000000055dbbfa7\u003e] pci_device_probe+0xe3/0x180\n[\u003c00000000815da970\u003e] really_probe+0x1c4/0x4e0\n[\u003c00000000b4b6974b\u003e] driver_probe_device+0x62/0x150\n[\u003c000000000f9ecc61\u003e] device_driver_attach+0x58/0x60\n[\u003c000000000f65c843\u003e] __driver_attach+0xd6/0x150\n[\u003c000000002f5e3683\u003e] bus_for_each_dev+0x6a/0xc0\n[\u003c00000000a1cfc897\u003e] driver_attach+0x1e/0x20"
          }
        ]
      },
      "generator": {
        "engine": "bippy-1e70cc10feda"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/296443139f893b554dddd56a99ba8471ab5802d4",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/296443139f893b554dddd56a99ba8471ab5802d4"
          },
          {
            "name": "https://git.kernel.org/stable/c/616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Free local data after use\n\nFixes the following memory leak in dc_link_construct():\n\nunreferenced object 0xffffa03e81471400 (size 1024):\ncomm \"amd_module_load\", pid 2486, jiffies 4294946026 (age 10.544s)\nhex dump (first 32 bytes):\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\nbacktrace:\n[\u003c000000000bdf5c4a\u003e] kmem_cache_alloc_trace+0x30a/0x4a0\n[\u003c00000000e7c59f0e\u003e] link_create+0xce/0xac0 [amdgpu]\n[\u003c000000002fb6c072\u003e] dc_create+0x370/0x720 [amdgpu]\n[\u003c000000000094d1f3\u003e] amdgpu_dm_init+0x18e/0x17a0 [amdgpu]\n[\u003c00000000bec048fd\u003e] dm_hw_init+0x12/0x20 [amdgpu]\n[\u003c00000000a2bb7cf6\u003e] amdgpu_device_init+0x1463/0x1e60 [amdgpu]\n[\u003c0000000032d3bb13\u003e] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu]\n[\u003c00000000a27834f9\u003e] amdgpu_pci_probe+0x192/0x280 [amdgpu]\n[\u003c00000000fec7d291\u003e] local_pci_probe+0x47/0xa0\n[\u003c0000000055dbbfa7\u003e] pci_device_probe+0xe3/0x180\n[\u003c00000000815da970\u003e] really_probe+0x1c4/0x4e0\n[\u003c00000000b4b6974b\u003e] driver_probe_device+0x62/0x150\n[\u003c000000000f9ecc61\u003e] device_driver_attach+0x58/0x60\n[\u003c000000000f65c843\u003e] __driver_attach+0xd6/0x150\n[\u003c000000002f5e3683\u003e] bus_for_each_dev+0x6a/0xc0\n[\u003c00000000a1cfc897\u003e] driver_attach+0x1e/0x20"
          }
        ],
        "id": "CVE-2021-47042",
        "lastModified": "2024-02-28T14:06:45.783",
        "metrics": {},
        "published": "2024-02-28T09:15:40.083",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/296443139f893b554dddd56a99ba8471ab5802d4"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}


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