{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47421",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-21T14:58:30.820Z",
        "datePublished": "2024-05-21T15:04:09.296Z",
        "dateUpdated": "2024-09-11T17:32:56.726Z"
    },
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:07:38.724Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: handle the case of pci_channel_io_frozen only in amdgpu_pci_resume\n\nIn current code, when a PCI error state pci_channel_io_normal is detectd,\nit will report PCI_ERS_RESULT_CAN_RECOVER status to PCI driver, and PCI\ndriver will continue the execution of PCI resume callback report_resume by\npci_walk_bridge, and the callback will go into amdgpu_pci_resume\nfinally, where write lock is releasd unconditionally without acquiring\nsuch lock first. In this case, a deadlock will happen when other threads\nstart to acquire the read lock.\n\nTo fix this, add a member in amdgpu_device strucutre to cache\npci_channel_state, and only continue the execution in amdgpu_pci_resume\nwhen it's pci_channel_io_frozen."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/amd/amdgpu/amdgpu.h",
                        "drivers/gpu/drm/amd/amdgpu/amdgpu_device.c"
                    ],
                    "versions": [
                        {
                            "version": "c9a6b82f45e2",
                            "lessThan": "72e9a1bf9b72",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9a6b82f45e2",
                            "lessThan": "248b061689a4",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
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                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/amd/amdgpu/amdgpu.h",
                        "drivers/gpu/drm/amd/amdgpu/amdgpu_device.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.14.12",
                            "lessThanOrEqual": "5.14.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/72e9a1bf9b722628c28092e0c2cd8717edd201dc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/248b061689a40f4fed05252ee2c89f87cf26d7d8"
                }
            ],
            "title": "drm/amdgpu: handle the case of pci_channel_io_frozen only in amdgpu_pci_resume",
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                "engine": "bippy-a5840b7849dd"
            }
        },
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:39:59.007Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/72e9a1bf9b722628c28092e0c2cd8717edd201dc",
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                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2021-47421",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T15:37:47.598437Z"
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