netfilter: nft_objref: validate objref and objrefmap expressions

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nft_objref.c"
                    ],
                    "versions": [
                        {
                            "version": "ee394f96ad7517fbc0de9106dcc7ce9efb14f264",
                            "lessThan": "f31bcea12222a26d6f151df9c4a6d21f2eec1724",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ee394f96ad7517fbc0de9106dcc7ce9efb14f264",
                            "lessThan": "0028e0134c64d9ed21728341a74fcfc59cd0f944",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ee394f96ad7517fbc0de9106dcc7ce9efb14f264",
                            "lessThan": "7ea55a44493a5a36c3b3293b88bbe4841f9dbaf0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ee394f96ad7517fbc0de9106dcc7ce9efb14f264",
                            "lessThan": "4c1cf72ec10be5a9ad264650cadffa1fbce6fabd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ee394f96ad7517fbc0de9106dcc7ce9efb14f264",
                            "lessThan": "f359b809d54c6e3dd1d039b97e0b68390b0e53e4",
                            "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/netfilter/nft_objref.c"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.184",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.113",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.54",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.4",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }