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xfrm: esp: restore combined single-frag length gate

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-2026-63912

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/ipv4/esp4.c",
                        "net/ipv6/esp6.c"
                    ],
                    "versions": [
                        {
                            "version": "c075c3ea031757f8ea2d34567565b61a868c08d5",
                            "lessThan": "566295735530ee513326049b0540f32ec050bf2e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a583f2f3c8788bffd7fd7baeb76bd6d80543d7ea",
                            "lessThan": "5d7ab86e2b6bc23054616bf6ac562013bf60af8c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5bd8baab087dff657e05387aee802e70304cc813",
                            "lessThan": "36519e3d941fc99d3b52c134dbaf311f987a4708",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5bd8baab087dff657e05387aee802e70304cc813",
                            "lessThan": "322e48187e0245ab2fff6fec2220b0cae677dbec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5bd8baab087dff657e05387aee802e70304cc813",
                            "lessThan": "b84091ceddc9f133229dceab3ccc930bf27f9cba",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5bd8baab087dff657e05387aee802e70304cc813",
                            "lessThan": "c093468aea8277f77272a4f199b2e15e19cabb59",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5bd8baab087dff657e05387aee802e70304cc813",
                            "lessThan": "65f3b3fc2347b89fe21db1e92c7681368415f095",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5bd8baab087dff657e05387aee802e70304cc813",
                            "lessThan": "dfa0d7b0ff1eb6b2c416b8fdb9b4f2cefba57a40",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c66b0c95bb0aa7652ba1eba293d0d5993b35a38",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ef6f83df1209a7d9bd1c605a62457d4c00f9179e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3defefd22ad5fbbe639b6157fb7e6311b2bf333d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b657030870bb5351c5b1e84d4e9f186da6ca0496",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.113",
                            "lessThan": "5.10.259",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.36",
                            "lessThan": "5.15.210",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.288",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.252",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.205",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.5",
                            "lessThan": "5.18",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

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/ipv4/esp4.c",
                        "net/ipv6/esp6.c"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.93",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.35",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.12",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

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Sources read 8 Nov 18:59 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current