{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72052",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.902Z",
        "datePublished": "2026-08-15T05:52:09.194Z",
        "dateUpdated": "2026-08-15T05:52:09.194Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-15T05:52:09.194Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink\n\nip6gre_changelink() and ip6erspan_changelink() operate on at most two\nnetns, dev_net(dev) and the tunnel link netns t->net. They differ once\nthe device is created in or moved to a netns other than the one the\nrequest runs in. The rtnl changelink path checks CAP_NET_ADMIN only\nagainst dev_net(dev), so a caller privileged there but not in t->net can\nrewrite a tunnel that lives in t->net.\n\nGate both ops on rtnl_dev_link_net_capable() at their top, before any\nattribute is parsed."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/ip6_gre.c"
                    ],
                    "versions": [
                        {
                            "version": "690afc165bb314354667f67157c1a1aea7dc797a",
                            "lessThan": "129f8939e5af683cec3a1a5edcb40a64636ad81e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "690afc165bb314354667f67157c1a1aea7dc797a",
                            "lessThan": "e3724dedf57761c6de52f4d604ec74f66fd61611",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "690afc165bb314354667f67157c1a1aea7dc797a",
                            "lessThan": "220162c9fedbe992da70d70f50a10da4f45f914c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "690afc165bb314354667f67157c1a1aea7dc797a",
                            "lessThan": "1d4d8ee002083ca4ead5353662bf8362428af57f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "690afc165bb314354667f67157c1a1aea7dc797a",
                            "lessThan": "0caa9f348f8b5356900de77b0bb89a697c4aff20",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "690afc165bb314354667f67157c1a1aea7dc797a",
                            "lessThan": "03d8843b143ebbbfaf48511922abc6e886575a61",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "690afc165bb314354667f67157c1a1aea7dc797a",
                            "lessThan": "c38c8b0db3c65b597e7ece317b6cb59de3d15e69",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "690afc165bb314354667f67157c1a1aea7dc797a",
                            "lessThan": "f00a50876d2818bd6dc86fa98b3ef360884c53c8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d0201d2405dac8d9b16773e97709925e397552d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7943bb0f06365cf5e32f3cf8a6b29eeae981fb8a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.19.100",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.16",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/ipv6/ip6_gre.c"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2-rc1",
                            "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": "5.5",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "6.1.178"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "7.2-rc1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19.100"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4.16"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/129f8939e5af683cec3a1a5edcb40a64636ad81e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e3724dedf57761c6de52f4d604ec74f66fd61611"
                },
                {
                    "url": "https://git.kernel.org/stable/c/220162c9fedbe992da70d70f50a10da4f45f914c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1d4d8ee002083ca4ead5353662bf8362428af57f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0caa9f348f8b5356900de77b0bb89a697c4aff20"
                },
                {
                    "url": "https://git.kernel.org/stable/c/03d8843b143ebbbfaf48511922abc6e886575a61"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c38c8b0db3c65b597e7ece317b6cb59de3d15e69"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f00a50876d2818bd6dc86fa98b3ef360884c53c8"
                }
            ],
            "title": "net: ip6_gre: require CAP_NET_ADMIN in the device netns for changelink",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}