{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98078",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:19:56.074Z",
        "datePublished": "2026-09-25T10:24:16.294Z",
        "dateUpdated": "2026-10-19T09:13:27.823Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:13:27.823Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: fix reversed sequence option serialization\n\nhton_seq() expects the host-order source first and the unaligned\nnetwork-order destination second. The version 1 sync sender passes these\narguments in reverse for both sequence blocks. This leaves 24 bytes of the\nkmalloc-backed message unwritten. It may disclose stale heap data and\nreplace the live connection sequence state with values read from the\nbuffer.\n\nPass the connection sequence state as the source and the message payload as\nthe destination for both blocks."
                }
            ],
            "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": "986a075795339c5ea1122ce9290dfd5504252eb0",
                            "lessThan": "ae38b2ae16f709c0193e1b4340bde26ef3e2687d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "986a075795339c5ea1122ce9290dfd5504252eb0",
                            "lessThan": "bbc68ba258a4eb0a2ca3b3a105550801aa8b00b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "986a075795339c5ea1122ce9290dfd5504252eb0",
                            "lessThan": "f487b5788f15c6c32a219ed1480d25c93fc18d30",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "986a075795339c5ea1122ce9290dfd5504252eb0",
                            "lessThan": "677ff8ab30a663cde984d8afe86465fd0d81aeef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "986a075795339c5ea1122ce9290dfd5504252eb0",
                            "lessThan": "e1c9f9446d3eaae323f1689f9e5de3b1ad6e47ec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "986a075795339c5ea1122ce9290dfd5504252eb0",
                            "lessThan": "524599714558da83747c04952d378155c69f5b6b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "986a075795339c5ea1122ce9290dfd5504252eb0",
                            "lessThan": "de6cc6ec7932bc530f2bb92005dac9123d50659c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "986a075795339c5ea1122ce9290dfd5504252eb0",
                            "lessThan": "b04578b74f2d3755548fe9e829e3b2a6c6f966a1",
                            "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": "2.6.39",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.39",
                            "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": "2.6.39",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.39",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.39",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.39",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.39",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.39",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.39",
                                    "versionEndExcluding": "7.2.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.39",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ae38b2ae16f709c0193e1b4340bde26ef3e2687d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bbc68ba258a4eb0a2ca3b3a105550801aa8b00b0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f487b5788f15c6c32a219ed1480d25c93fc18d30"
                },
                {
                    "url": "https://git.kernel.org/stable/c/677ff8ab30a663cde984d8afe86465fd0d81aeef"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e1c9f9446d3eaae323f1689f9e5de3b1ad6e47ec"
                },
                {
                    "url": "https://git.kernel.org/stable/c/524599714558da83747c04952d378155c69f5b6b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/de6cc6ec7932bc530f2bb92005dac9123d50659c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b04578b74f2d3755548fe9e829e3b2a6c6f966a1"
                }
            ],
            "title": "ipvs: fix reversed sequence option serialization",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}