net/ipv6: avoid possible UAF in ip6_route_mpath_notify()

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/route.c"
                    ],
                    "versions": [
                        {
                            "version": "3b1137fe74829e021f483756a648cbb87c8a1b4a",
                            "lessThan": "31ea5bcc7d4cd1423de6be327a2c034725704136",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3b1137fe74829e021f483756a648cbb87c8a1b4a",
                            "lessThan": "664f9c647260cc9d68b4e31d9899530d89dd045e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3b1137fe74829e021f483756a648cbb87c8a1b4a",
                            "lessThan": "79ce2e54cc0ae366f45516c00bf1b19aa43e9abe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3b1137fe74829e021f483756a648cbb87c8a1b4a",
                            "lessThan": "cae3303257950d03ffec2df4a45e836f10d26c24",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3b1137fe74829e021f483756a648cbb87c8a1b4a",
                            "lessThan": "394334fe2ae3b9f1e2332b873857e84cb28aac18",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3b1137fe74829e021f483756a648cbb87c8a1b4a",
                            "lessThan": "ed883060c38721ed828061f6c0c30e5147326c9a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3b1137fe74829e021f483756a648cbb87c8a1b4a",
                            "lessThan": "61b34f73cdbdb8eaf9ea12e9e2eb3b29716c4dda",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3b1137fe74829e021f483756a648cbb87c8a1b4a",
                            "lessThan": "685f7d531264599b3f167f1e94bbd22f120e5fab",
                            "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/route.c"
                    ],
                    "versions": [
                        {
                            "version": "4.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.310",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.272",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.213",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.152",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.82",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.22",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.7.10",
                            "lessThanOrEqual": "6.7.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.8",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }