netfilter: conntrack: Avoid nf_ct_helper_hash uses after free

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_conntrack_helper.c"
                    ],
                    "versions": [
                        {
                            "version": "12f7a505331e6b2754684b509f2ac8f0011ce644",
                            "lessThan": "4ee69c91cb8f9ca144bc0861969e5a1a3c6152a7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "12f7a505331e6b2754684b509f2ac8f0011ce644",
                            "lessThan": "00716f25f9697d02a0d9bd622575c7c7321ba3d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "12f7a505331e6b2754684b509f2ac8f0011ce644",
                            "lessThan": "61c7a5256543ae7d24cd9d21853d514c8632e1e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "12f7a505331e6b2754684b509f2ac8f0011ce644",
                            "lessThan": "8289d422f5e484efe4a565fe18e862ecd621c175",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "12f7a505331e6b2754684b509f2ac8f0011ce644",
                            "lessThan": "6f03ce2f1abcb9f9d0511e3659ca6eb60e39f566",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "12f7a505331e6b2754684b509f2ac8f0011ce644",
                            "lessThan": "05561f822f27b9fa88fa5504ddec34bf38833034",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "12f7a505331e6b2754684b509f2ac8f0011ce644",
                            "lessThan": "fce5cc7cbd4b92f979bf02c9ec5fb69aaeba92d7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "12f7a505331e6b2754684b509f2ac8f0011ce644",
                            "lessThan": "6eef7a2b933885a17679eb8ed0796ddf0ee5309b",
                            "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/nf_conntrack_helper.c"
                    ],
                    "versions": [
                        {
                            "version": "3.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.322",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.291",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.251",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.188",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.121",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.39",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.4",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }