{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50470",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-04T15:13:33.466Z",
        "datePublished": "2025-10-04T15:16:32.764Z",
        "dateUpdated": "2026-05-11T19:20:06.795Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:20:06.795Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Remove device endpoints from bandwidth list when freeing the device\n\nEndpoints are normally deleted from the bandwidth list when they are\ndropped, before the virt device is freed.\n\nIf xHC host is dying or being removed then the endpoints aren't dropped\ncleanly due to functions returning early to avoid interacting with a\nnon-accessible host controller.\n\nSo check and delete endpoints that are still on the bandwidth list when\nfreeing the virt device.\n\nSolves a list_del corruption kernel crash when unbinding xhci-pci,\ncaused by xhci_mem_cleanup() when it later tried to delete already freed\nendpoints from the bandwidth list.\n\nThis only affects hosts that use software bandwidth checking, which\ncurrenty is only the xHC in intel Panther Point PCH (Ivy Bridge)"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/host/xhci-mem.c"
                    ],
                    "versions": [
                        {
                            "version": "2e27980e6eb78114c4ecbaad1ba71836e3887d18",
                            "lessThan": "5e4ce28ad907aa54f13b21d5f1dc490525957b0c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2e27980e6eb78114c4ecbaad1ba71836e3887d18",
                            "lessThan": "f0de39474078adef6ece7a183e34c15ce2c1d8d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2e27980e6eb78114c4ecbaad1ba71836e3887d18",
                            "lessThan": "cebbc8d335d6bcc1316584f779c08f80287c6af8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2e27980e6eb78114c4ecbaad1ba71836e3887d18",
                            "lessThan": "8f1cd9633d1f21efc13e8fc75be8f2b6bb85e38c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2e27980e6eb78114c4ecbaad1ba71836e3887d18",
                            "lessThan": "678d2cc2041cc6ce05030852dce9ad42719abcfc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2e27980e6eb78114c4ecbaad1ba71836e3887d18",
                            "lessThan": "c892a81c7424b4f6a660cb9c249d354ccf3afeca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2e27980e6eb78114c4ecbaad1ba71836e3887d18",
                            "lessThan": "3bf860a41e0f2fcea0ac3aae8f7ef887a7994b70",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2e27980e6eb78114c4ecbaad1ba71836e3887d18",
                            "lessThan": "5aed5b7c2430ce318a8e62f752f181e66f0d1053",
                            "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/usb/host/xhci-mem.c"
                    ],
                    "versions": [
                        {
                            "version": "3.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.332",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.298",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.264",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.223",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.153",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.77",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.7",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "3.2",
                                    "versionEndExcluding": "4.9.332"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "4.14.298"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "4.19.264"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "5.4.223"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "5.10.153"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "5.15.77"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.0.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5e4ce28ad907aa54f13b21d5f1dc490525957b0c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f0de39474078adef6ece7a183e34c15ce2c1d8d1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cebbc8d335d6bcc1316584f779c08f80287c6af8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8f1cd9633d1f21efc13e8fc75be8f2b6bb85e38c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/678d2cc2041cc6ce05030852dce9ad42719abcfc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c892a81c7424b4f6a660cb9c249d354ccf3afeca"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3bf860a41e0f2fcea0ac3aae8f7ef887a7994b70"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5aed5b7c2430ce318a8e62f752f181e66f0d1053"
                }
            ],
            "title": "xhci: Remove device endpoints from bandwidth list when freeing the device",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}