{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-38720",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:24.033Z",
        "datePublished": "2025-09-04T15:33:14.057Z",
        "dateUpdated": "2026-05-11T21:33:40.872Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:33:40.872Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hibmcge: fix rtnl deadlock issue\n\nCurrently, the hibmcge netdev acquires the rtnl_lock in\npci_error_handlers.reset_prepare() and releases it in\npci_error_handlers.reset_done().\n\nHowever, in the PCI framework:\npci_reset_bus - __pci_reset_slot - pci_slot_save_and_disable_locked -\n pci_dev_save_and_disable - err_handler->reset_prepare(dev);\n\nIn pci_slot_save_and_disable_locked():\n\tlist_for_each_entry(dev, &slot->bus->devices, bus_list) {\n\t\tif (!dev->slot || dev->slot!= slot)\n\t\t\tcontinue;\n\t\tpci_dev_save_and_disable(dev);\n\t\tif (dev->subordinate)\n\t\t\tpci_bus_save_and_disable_locked(dev->subordinate);\n\t}\n\nThis will iterate through all devices under the current bus and execute\nerr_handler->reset_prepare(), causing two devices of the hibmcge driver\nto sequentially request the rtnl_lock, leading to a deadlock.\n\nSince the driver now executes netif_device_detach()\nbefore the reset process, it will not concurrently with\nother netdev APIs, so there is no need to hold the rtnl_lock now.\n\nTherefore, this patch removes the rtnl_lock during the reset process and\nadjusts the position of HBG_NIC_STATE_RESETTING to ensure\nthat multiple resets are not executed concurrently."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/hisilicon/hibmcge/hbg_err.c"
                    ],
                    "versions": [
                        {
                            "version": "3f5a61f6d504f55ed1a36cce044d5123d508721f",
                            "lessThan": "d85a6346fd6f595c4914205762d0cdf35c004a5e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f5a61f6d504f55ed1a36cce044d5123d508721f",
                            "lessThan": "1343a8994ca7dba78f5dd818e89d68331c21c35d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f5a61f6d504f55ed1a36cce044d5123d508721f",
                            "lessThan": "c875503a9b9082928d7d3fc60b5400d16fbfae4e",
                            "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/hisilicon/hibmcge/hbg_err.c"
                    ],
                    "versions": [
                        {
                            "version": "6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.11",
                            "lessThanOrEqual": "6.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16.2",
                            "lessThanOrEqual": "6.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.15.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.16.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.17"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d85a6346fd6f595c4914205762d0cdf35c004a5e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1343a8994ca7dba78f5dd818e89d68331c21c35d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c875503a9b9082928d7d3fc60b5400d16fbfae4e"
                }
            ],
            "title": "net: hibmcge: fix rtnl deadlock issue",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}