{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-97596",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-24T16:01:01.157Z",
        "datePublished": "2026-09-25T10:22:11.784Z",
        "dateUpdated": "2026-10-19T09:10:00.056Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:10:00.056Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: reject invalid states in connection template sync records\n\nIPVS sync receivers validate protocol states before creating or updating a\nconnection. For connection templates, however, they only log states outside\nthe template state range and still store the value in the connection.\n\nA template can be returned by ordinary connection lookup. TCP and SCTP then\nuse the invalid state as an index into their transition tables.\n\nReject invalid template states in both sync protocol versions before\nlooking up or modifying a connection. The version 1 path handles both\nIPv4 and IPv6 records."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/ipvs/ip_vs_sync.c"
                    ],
                    "versions": [
                        {
                            "version": "275411430f892407b885be1de2548b2e632892c3",
                            "lessThan": "5677e81ffdbfc1c03dcb427fb8b1c38289bed76d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "275411430f892407b885be1de2548b2e632892c3",
                            "lessThan": "d4eb339b442a0ffaa565779b975494a0a0664f18",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "275411430f892407b885be1de2548b2e632892c3",
                            "lessThan": "1a8f15911352bb3cf4663aa02049c49c7f30e524",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "275411430f892407b885be1de2548b2e632892c3",
                            "lessThan": "652d9caa5ac925ab012834e325d77b9ed638d4fc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "275411430f892407b885be1de2548b2e632892c3",
                            "lessThan": "fc10dc4511e6e2e2b4098ee115c8e5639471f23d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "275411430f892407b885be1de2548b2e632892c3",
                            "lessThan": "50c3f06222eafe9cca7ca51a0ef83311d7cab353",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "275411430f892407b885be1de2548b2e632892c3",
                            "lessThan": "0c61f7d8e18a978aec2a16d9acd5f682f1c72476",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "275411430f892407b885be1de2548b2e632892c3",
                            "lessThan": "74cb39735b6cd0aff4b5584158f09376fd97aadf",
                            "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/ipvs/ip_vs_sync.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "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": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "7.2.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5677e81ffdbfc1c03dcb427fb8b1c38289bed76d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d4eb339b442a0ffaa565779b975494a0a0664f18"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1a8f15911352bb3cf4663aa02049c49c7f30e524"
                },
                {
                    "url": "https://git.kernel.org/stable/c/652d9caa5ac925ab012834e325d77b9ed638d4fc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fc10dc4511e6e2e2b4098ee115c8e5639471f23d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/50c3f06222eafe9cca7ca51a0ef83311d7cab353"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0c61f7d8e18a978aec2a16d9acd5f682f1c72476"
                },
                {
                    "url": "https://git.kernel.org/stable/c/74cb39735b6cd0aff4b5584158f09376fd97aadf"
                }
            ],
            "title": "ipvs: reject invalid states in connection template sync records",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}