{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47283",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-21T13:27:52.129Z",
        "datePublished": "2024-05-21T14:20:08.828Z",
        "dateUpdated": "2024-08-04T05:32:08.013Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:05:15.153Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet:sfc: fix non-freed irq in legacy irq mode\n\nSFC driver can be configured via modparam to work using MSI-X, MSI or\nlegacy IRQ interrupts. In the last one, the interrupt was not properly\nreleased on module remove.\n\nIt was not freed because the flag irqs_hooked was not set during\ninitialization in the case of using legacy IRQ.\n\nExample of (trimmed) trace during module remove without this fix:\n\nremove_proc_entry: removing non-empty directory 'irq/125', leaking at least '0000:3b:00.1'\nWARNING: CPU: 39 PID: 3658 at fs/proc/generic.c:715 remove_proc_entry+0x15c/0x170\n...trimmed...\nCall Trace:\n unregister_irq_proc+0xe3/0x100\n free_desc+0x29/0x70\n irq_free_descs+0x47/0x70\n mp_unmap_irq+0x58/0x60\n acpi_unregister_gsi_ioapic+0x2a/0x40\n acpi_pci_irq_disable+0x78/0xb0\n pci_disable_device+0xd1/0x100\n efx_pci_remove+0xa1/0x1e0 [sfc]\n pci_device_remove+0x38/0xa0\n __device_release_driver+0x177/0x230\n driver_detach+0xcb/0x110\n bus_remove_driver+0x58/0xd0\n pci_unregister_driver+0x2a/0xb0\n efx_exit_module+0x24/0xf40 [sfc]\n __do_sys_delete_module.constprop.0+0x171/0x280\n ? exit_to_user_mode_prepare+0x83/0x1d0\n do_syscall_64+0x3d/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae\nRIP: 0033:0x7f9f9385800b\n...trimmed..."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/sfc/nic.c"
                    ],
                    "versions": [
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "8d717c9135a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "81c4d1d83f88",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "8f03eeb6e0a0",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/sfc/nic.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10.44",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.12.11",
                            "lessThanOrEqual": "5.12.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.13",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8d717c9135a3340ae62d1699484850bfb4112b0c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/81c4d1d83f88e15b26f4522a35cba6ffd8c5dfdd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8f03eeb6e0a0a0b8d617ee0a4bce729e47130036"
                }
            ],
            "title": "net:sfc: fix non-freed irq in legacy irq mode",
            "x_generator": {
                "engine": "bippy-a5840b7849dd"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-06-12T15:24:21.338589Z",
                                "id": "CVE-2021-47283",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-06-12T15:24:30.338Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:32:08.013Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/8d717c9135a3340ae62d1699484850bfb4112b0c",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/81c4d1d83f88e15b26f4522a35cba6ffd8c5dfdd",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://git.kernel.org/stable/c/8f03eeb6e0a0a0b8d617ee0a4bce729e47130036",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}