{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47005",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-27T18:42:55.952Z",
        "datePublished": "2024-02-28T08:13:25.933Z",
        "dateUpdated": "2024-08-04T05:24:39.469Z"
    },
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:00:23.614Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Fix NULL pointer dereference for ->get_features()\n\nget_features ops of pci_epc_ops may return NULL, causing NULL pointer\ndereference in pci_epf_test_alloc_space function. Let us add a check for\npci_epc_feature pointer in pci_epf_test_bind before we access it to avoid\nany such NULL pointer dereference and return -ENOTSUPP in case\npci_epc_feature is not found.\n\nWhen the patch is not applied and EPC features is not implemented in the\nplatform driver, we see the following dump due to kernel NULL pointer\ndereference.\n\nCall trace:\n pci_epf_test_bind+0xf4/0x388\n pci_epf_bind+0x3c/0x80\n pci_epc_epf_link+0xa8/0xcc\n configfs_symlink+0x1a4/0x48c\n vfs_symlink+0x104/0x184\n do_symlinkat+0x80/0xd4\n __arm64_sys_symlinkat+0x1c/0x24\n el0_svc_common.constprop.3+0xb8/0x170\n el0_svc_handler+0x70/0x88\n el0_svc+0x8/0x640\nCode: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400)\n---[ end trace a438e3c5a24f9df0 ]---"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/pci/endpoint/functions/pci-epf-test.c"
                    ],
                    "versions": [
                        {
                            "version": "2c04c5b8eef7",
                            "lessThan": "bbed83d7060e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c04c5b8eef7",
                            "lessThan": "679ebad058b8",
                            "status": "affected",
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                        },
                        {
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                            "lessThan": "0169d4f0bee4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c04c5b8eef7",
                            "lessThan": "6613bc2301ba",
                            "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/pci/endpoint/functions/pci-epf-test.c"
                    ],
                    "versions": [
                        {
                            "version": "5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.1",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.38",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.11.22",
                            "lessThanOrEqual": "5.11.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.12.5",
                            "lessThanOrEqual": "5.12.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.13",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
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                    "url": "https://git.kernel.org/stable/c/bbed83d7060e07a5d309104d25a00f0a24441428"
                },
                {
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                },
                {
                    "url": "https://git.kernel.org/stable/c/0169d4f0bee44fdfef908c13ed21fcb326c38695"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6613bc2301ba291a1c5a90e1dc24cf3edf223c03"
                }
            ],
            "title": "PCI: endpoint: Fix NULL pointer dereference for ->get_features()",
            "x_generator": {
                "engine": "bippy-a5840b7849dd"
            }
        },
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                                "id": "CVE-2021-47005",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
                                    },
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                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-02-28T19:13:34.596377Z"
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                    "dateUpdated": "2024-06-04T17:13:38.382Z"
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                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:24:39.469Z"
                },
                "title": "CVE Program Container",
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