{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98695",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.364Z",
        "datePublished": "2026-10-18T15:46:19.498Z",
        "dateUpdated": "2026-10-21T12:55:44.594Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:55:44.594Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: fix ioctl hangup race\n\nThe tty ioctls can race with hangup and end up calling into a tty driver\nfor a device that is already gone or powered down.\n\nSerialise the callbacks using the tty port mutex and add the missing\nchecks to make sure the port has not been hung up before accessing port\ndriver data or hardware.\n\nThis specifically avoids dereferencing a NULL-pointer if a device is\ndisconnected during lengthy break signalling.\n\nNote that TIOCGICOUNT and TIOCMIWAIT do not access port driver data or\nhardware and are therefore not affected by the race."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/serial/generic.c",
                        "drivers/usb/serial/usb-serial.c",
                        "drivers/usb/serial/xr_serial.c"
                    ],
                    "versions": [
                        {
                            "version": "f34d7a5b7010b82fe97da95496b9971435530062",
                            "lessThan": "24d6edb6bd7f7a9e6cee2f8fe435781daab8aa0f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f34d7a5b7010b82fe97da95496b9971435530062",
                            "lessThan": "ae0da9a5c1ca95c20cc5feffd511ce6eae75924e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f34d7a5b7010b82fe97da95496b9971435530062",
                            "lessThan": "4597ddd6168ae2a4123404e5f0871f1070dc7773",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f34d7a5b7010b82fe97da95496b9971435530062",
                            "lessThan": "7912a95d1345c77d8d63b530b00c118700b78abd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f34d7a5b7010b82fe97da95496b9971435530062",
                            "lessThan": "ae0e61d95677efa778379853e495d748e6efbf95",
                            "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/generic.c",
                        "drivers/usb/serial/usb-serial.c",
                        "drivers/usb/serial/xr_serial.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.26",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.26",
                            "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": "2.6.26",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.12.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.18.56"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "7.2.10"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/24d6edb6bd7f7a9e6cee2f8fe435781daab8aa0f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ae0da9a5c1ca95c20cc5feffd511ce6eae75924e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4597ddd6168ae2a4123404e5f0871f1070dc7773"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7912a95d1345c77d8d63b530b00c118700b78abd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ae0e61d95677efa778379853e495d748e6efbf95"
                }
            ],
            "title": "USB: serial: fix ioctl hangup race",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}