tipc: read le->link under the node lock in tipc_node_link_down()

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/tipc/node.c"
                    ],
                    "versions": [
                        {
                            "version": "73f646cec35477b5099d7e952297cb9e1855be45",
                            "lessThan": "2be741ad565c610871a6a95062c12c39da7168fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f646cec35477b5099d7e952297cb9e1855be45",
                            "lessThan": "69d209461c110388710e483a130caf051e4fd09a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f646cec35477b5099d7e952297cb9e1855be45",
                            "lessThan": "de017c22135f545ca4e65d1eada22887b64958eb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f646cec35477b5099d7e952297cb9e1855be45",
                            "lessThan": "47ba70891b10b2feb52462086b7fcd2ad75d3ce3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f646cec35477b5099d7e952297cb9e1855be45",
                            "lessThan": "a714d62513befef37f71f4ae89bb1fe173b65f2e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f646cec35477b5099d7e952297cb9e1855be45",
                            "lessThan": "c3f2347a47754eac690967cfd82cb6d559817b07",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f646cec35477b5099d7e952297cb9e1855be45",
                            "lessThan": "5558a8312452ddb21eff22b1cbd84302ad951944",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f646cec35477b5099d7e952297cb9e1855be45",
                            "lessThan": "cba9ccb47e9fa4cc77692fb896cc5ab57a667882",
                            "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/tipc/node.c"
                    ],
                    "versions": [
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.152",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.104",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.45",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.9",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }