{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98772",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.369Z",
        "datePublished": "2026-10-18T15:48:08.184Z",
        "dateUpdated": "2026-10-21T12:56:47.424Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:56:47.424Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: fix port tear down use-after-free\n\nSome drivers for multiport devices access port driver data from\ncompletion handlers of shared URBs submitted at attach() or first open()\nand stopped at disconnect() or last close(), respectively.\n\nA simple NULL check before accessing the driver data makes sure that a\nport state container has at least been allocated, but a completion\nhandler can still race with port tear down.\n\nReorder the disconnect handling so that ports are not deregistered (and\ntheir driver data freed) until after all ports have been hung up and the\ndriver disconnect() callback has run so that all I/O has been stopped."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/serial/usb-serial.c"
                    ],
                    "versions": [
                        {
                            "version": "2d93148ab6988cad872e65d694c95e8944e1b626",
                            "lessThan": "e4a6883ad9b4686a5f4bd90ff55a44d7ab65bd3c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d93148ab6988cad872e65d694c95e8944e1b626",
                            "lessThan": "60cc9379c3e650d1ebfba4de63f1242537a62a32",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d93148ab6988cad872e65d694c95e8944e1b626",
                            "lessThan": "5e8980a81af195c49084be5b4c031085b56c7443",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d93148ab6988cad872e65d694c95e8944e1b626",
                            "lessThan": "e80ee74206f260eb1282e7d1339ff146a4a410d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2d93148ab6988cad872e65d694c95e8944e1b626",
                            "lessThan": "33c920f7c5952dfc42d1b8ea6efe16b1f0bb0c5b",
                            "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/serial/usb-serial.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.30",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.30",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.113",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.56",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.10",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "2.6.30",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "6.12.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "6.18.56"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "7.2.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e4a6883ad9b4686a5f4bd90ff55a44d7ab65bd3c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/60cc9379c3e650d1ebfba4de63f1242537a62a32"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5e8980a81af195c49084be5b4c031085b56c7443"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e80ee74206f260eb1282e7d1339ff146a4a410d0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/33c920f7c5952dfc42d1b8ea6efe16b1f0bb0c5b"
                }
            ],
            "title": "USB: serial: fix port tear down use-after-free",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}