gue: validate REMCSUM private option length

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/net/gue.h"
                    ],
                    "versions": [
                        {
                            "version": "c1aa8347e73e4092411fbd96cc59531fb7e76d04",
                            "lessThan": "158b9995d3c87f3b93f5c22df54a12e12a3438b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1aa8347e73e4092411fbd96cc59531fb7e76d04",
                            "lessThan": "7c6876ec1b227261b51803f784c7be1b2242a1a0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1aa8347e73e4092411fbd96cc59531fb7e76d04",
                            "lessThan": "2c4de9988e9ddc760b750d6b6e701c35ff60ad14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1aa8347e73e4092411fbd96cc59531fb7e76d04",
                            "lessThan": "2a99224c120823987e4d829726f4ecb33e03fc1e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1aa8347e73e4092411fbd96cc59531fb7e76d04",
                            "lessThan": "61e78679c7c9ca685bff58e4b6348304dc60aafd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1aa8347e73e4092411fbd96cc59531fb7e76d04",
                            "lessThan": "4a4a1d41c6e901e773bcf795f562a47fa71f692a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1aa8347e73e4092411fbd96cc59531fb7e76d04",
                            "lessThan": "f618cbe9b24cd0202004d2db781d5f80ab77037f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1aa8347e73e4092411fbd96cc59531fb7e76d04",
                            "lessThan": "d335dcc6f521571d57117b8deeebc940836e5450",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/net/gue.h"
                    ],
                    "versions": [
                        {
                            "version": "3.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }