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xfrm: drop ESP-in-TCP packets with no ingress device

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

cve-program · CVE-2026-80846

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/xfrm/espintcp.c"
                    ],
                    "versions": [
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "239d0f71af09dc2029fd4d730cb24b8c83aaa43a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "f00235f9d12301183d61f75fbe4105506f3e5140",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "6af5cdb03819a5ce6e945992635c6c5e91045367",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "2dd1609cadff46c4b20ce53b91ab9cce1380456a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "c296d25efbc840be24de83f56d43bc47e714ace9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "328e40aa774b446969c69b654c52a051a95af8a1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "7911e0236616487b89db6bd3ba3f408abd10eb23",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "943d95233b8b4a88994e244fcf466f8c403d63f1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e27cca96cd68fa2c6814c90f9a1cfd36bb68c593",
                            "lessThan": "e1d7c5ac1c246ce5775f604515de0a59fbf2116e",
                            "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/xfrm/espintcp.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.269",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.220",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.187",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.156",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.108",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.49",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.13",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.3",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 9 Nov 05:32 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current