{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-47042",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "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[<000000000bdf5c4a>] kmem_cache_alloc_trace+0x30a/0x4a0\n[<00000000e7c59f0e>] link_create+0xce/0xac0 [amdgpu]\n[<000000002fb6c072>] dc_create+0x370/0x720 [amdgpu]\n[<000000000094d1f3>] amdgpu_dm_init+0x18e/0x17a0 [amdgpu]\n[<00000000bec048fd>] dm_hw_init+0x12/0x20 [amdgpu]\n[<00000000a2bb7cf6>] amdgpu_device_init+0x1463/0x1e60 [amdgpu]\n[<0000000032d3bb13>] amdgpu_driver_load_kms+0x5b/0x330 [amdgpu]\n[<00000000a27834f9>] amdgpu_pci_probe+0x192/0x280 [amdgpu]\n[<00000000fec7d291>] local_pci_probe+0x47/0xa0\n[<0000000055dbbfa7>] pci_device_probe+0xe3/0x180\n[<00000000815da970>] really_probe+0x1c4/0x4e0\n[<00000000b4b6974b>] driver_probe_device+0x62/0x150\n[<000000000f9ecc61>] device_driver_attach+0x58/0x60\n[<000000000f65c843>] __driver_attach+0xd6/0x150\n[<000000002f5e3683>] bus_for_each_dev+0x6a/0xc0\n[<00000000a1cfc897>] driver_attach+0x1e/0x20"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "3a00c04212d1",
                                            "version_value": "296443139f89"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.12",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.12",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.12.4",
                                                        "lessThanOrEqual": "5.12.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.13",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/296443139f893b554dddd56a99ba8471ab5802d4",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/296443139f893b554dddd56a99ba8471ab5802d4"
            },
            {
                "url": "https://git.kernel.org/stable/c/616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/616cf23b6cf40ad6f03ffbddfa1b6c4eb68d8ae1"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}