CVE-2026-80585Published

mptcp: fastopen: only mark MPTFO subflows with SYN data

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-80585

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/mptcp/fastopen.c"
                    ],
                    "versions": [
                        {
                            "version": "36b122baf6a8bd46b4a591f12f4ed17b22257408",
                            "lessThan": "f75f174edc865738522e514d042cf5627f084859",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36b122baf6a8bd46b4a591f12f4ed17b22257408",
                            "lessThan": "fca7e444c04689fe4cc6b56f2725f804a4bb1ef9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36b122baf6a8bd46b4a591f12f4ed17b22257408",
                            "lessThan": "75e564b2ced1cc3d9a8904c7d2d2bb448fffb8b5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36b122baf6a8bd46b4a591f12f4ed17b22257408",
                            "lessThan": "72b4a0c51a4b550d40301d60a366b429b8c8e78d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36b122baf6a8bd46b4a591f12f4ed17b22257408",
                            "lessThan": "e00b63056fb4f261455b3e5df5268a1f8ce47a87",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/mptcp/fastopen.c"
                    ],
                    "versions": [
                        {
                            "version": "6.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.153",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.105",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.46",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.10",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON