{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46172",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.103Z",
        "datePublished": "2026-05-28T09:36:26.926Z",
        "dateUpdated": "2026-06-14T18:00:01.373Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T18:00:01.373Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: xfrm6: release dst on error in xfrm6_rcv_encap()\n\nxfrm6_rcv_encap() performs an IPv6 route lookup when the skb does not\nalready have a dst attached. ip6_route_input_lookup() returns a\nreferenced dst entry even when the lookup resolves to an error route.\n\nIf dst->error is set, xfrm6_rcv_encap() drops the skb without attaching\nthe dst to the skb and without releasing the reference returned by the\nlookup. Repeated packets hitting this path therefore leak dst entries.\n\nRelease the dst before jumping to the drop path."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/xfrm6_protocol.c"
                    ],
                    "versions": [
                        {
                            "version": "0146dca70b877b73c5fd9c67912b8a0ca8a7bac7",
                            "lessThan": "a0721bcd72641c32b281f227a94505b31cf54117",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0146dca70b877b73c5fd9c67912b8a0ca8a7bac7",
                            "lessThan": "a20b34f6e854fe6f2aa82528fae7a88759919eb4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0146dca70b877b73c5fd9c67912b8a0ca8a7bac7",
                            "lessThan": "870560015ce6e0d8f841c6a8aba33c44be52c727",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0146dca70b877b73c5fd9c67912b8a0ca8a7bac7",
                            "lessThan": "c2efc4956981066df2fef1cc77391b523db6d8e4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0146dca70b877b73c5fd9c67912b8a0ca8a7bac7",
                            "lessThan": "554c9b090c8ac5b1c5c507f4badf8d5d0c9c6e13",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0146dca70b877b73c5fd9c67912b8a0ca8a7bac7",
                            "lessThan": "9d5047782f9bd2829e529df69209bf3232eb561f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0146dca70b877b73c5fd9c67912b8a0ca8a7bac7",
                            "lessThan": "6a5eec0a2a0e99ec9743cf8f1c4082178811d90a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0146dca70b877b73c5fd9c67912b8a0ca8a7bac7",
                            "lessThan": "bc0fcb9823cd0894934cf968b525c575833d7078",
                            "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/ipv6/xfrm6_protocol.c"
                    ],
                    "versions": [
                        {
                            "version": "5.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.88",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.30",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.7",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "5.8",
                                    "versionEndExcluding": "5.10.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "6.1.175"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "6.6.140"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "6.12.88"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "6.18.30"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "7.0.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a0721bcd72641c32b281f227a94505b31cf54117"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a20b34f6e854fe6f2aa82528fae7a88759919eb4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/870560015ce6e0d8f841c6a8aba33c44be52c727"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c2efc4956981066df2fef1cc77391b523db6d8e4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/554c9b090c8ac5b1c5c507f4badf8d5d0c9c6e13"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9d5047782f9bd2829e529df69209bf3232eb561f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6a5eec0a2a0e99ec9743cf8f1c4082178811d90a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bc0fcb9823cd0894934cf968b525c575833d7078"
                }
            ],
            "title": "ipv6: xfrm6: release dst on error in xfrm6_rcv_encap()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}