ipv6: sr: enforce exact attribute length for SEG6_ATTR_DST

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/seg6.c"
                    ],
                    "versions": [
                        {
                            "version": "915d7e5e5930b4f01d0971d93b9b25ed17d221aa",
                            "lessThan": "050a0aa3c80907b8c60a396b7e04d48d8b1a9e70",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915d7e5e5930b4f01d0971d93b9b25ed17d221aa",
                            "lessThan": "209eefebee54c4a5f01d68b61e8ac9881eca2de9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915d7e5e5930b4f01d0971d93b9b25ed17d221aa",
                            "lessThan": "e3ac68c1cdc2535d127b2bfd50c263d16c8e4199",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915d7e5e5930b4f01d0971d93b9b25ed17d221aa",
                            "lessThan": "66bf65fa109326e4c4ddeb0b94093379f72838fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915d7e5e5930b4f01d0971d93b9b25ed17d221aa",
                            "lessThan": "195813bb7324c338eaba0aaa02b18681ee65b670",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915d7e5e5930b4f01d0971d93b9b25ed17d221aa",
                            "lessThan": "6fcfc362344edea745a69f3a705de50b731f3418",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915d7e5e5930b4f01d0971d93b9b25ed17d221aa",
                            "lessThan": "94214cf0a08dd2c5f37aeeea46078d9dfe8e4a0e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "915d7e5e5930b4f01d0971d93b9b25ed17d221aa",
                            "lessThan": "2d959c75c27f90e9ec489d18ce5ee6b852ad4741",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/seg6.c"
                    ],
                    "versions": [
                        {
                            "version": "4.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.55",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.9",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }