{"id":"CVE-2026-72054","revision":"40ef49ac3cc34276bec34ddb60d259ca","records":[{"revision":"40ef49ac3cc34276bec34ddb60d259ca","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72054","aliases":[],"title":"net: ip_vti: require CAP_NET_ADMIN in the device netns for changelink","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ip_vti: require CAP_NET_ADMIN in the device netns for changelink\n\nvti_changelink() operates on at most two netns, dev_net(dev) and the\ntunnel link netns t->net. They differ once the device is created in or\nmoved to a netns other than the one the request runs in. The rtnl\nchangelink path checks CAP_NET_ADMIN only against dev_net(dev), so a\ncaller privileged there but not in t->net can rewrite a tunnel that\nlives in t->net.\n\nGate vti_changelink() on rtnl_dev_link_net_capable() at its top,\nbefore any attribute is parsed.","state":0,"publishedAt":"2026-08-15T05:52:10.679+00:00","modifiedAt":"2026-10-19T21:19:25.227+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/ipv4/ip_vti.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"895de9a3488abcdd186680f0af3cce7f2d4d4a6e\",\n                            \"lessThan\": \"1caf737e625143c6f23c32d2b747b1a3e42e5699\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"895de9a3488abcdd186680f0af3cce7f2d4d4a6e\",\n                            \"lessThan\": \"32edf8aa297745226854eda2d96c0fac66c1bb15\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"895de9a3488abcdd186680f0af3cce7f2d4d4a6e\",\n                            \"lessThan\": \"973ead9e565423642e4533e1547b5d2c0476fb03\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"895de9a3488abcdd186680f0af3cce7f2d4d4a6e\",\n                            \"lessThan\": \"33fd93961557ec8e3e9958995b28684c5f949394\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"895de9a3488abcdd186680f0af3cce7f2d4d4a6e\",\n                            \"lessThan\": \"6d8bc0dc99472d62c57c2a3d436e6ab408592bda\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"895de9a3488abcdd186680f0af3cce7f2d4d4a6e\",\n                            \"lessThan\": \"9571af2eec8023af9a1671b7f2cd4ab400011724\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"895de9a3488abcdd186680f0af3cce7f2d4d4a6e\",\n                            \"lessThan\": \"88b33ee458a6ca5fbef6c53b9dba772da69dab68\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"895de9a3488abcdd186680f0af3cce7f2d4d4a6e\",\n                            \"lessThan\": \"95cceadbfd52d7239bd730afdda0655287d77425\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/ipv4/ip_vti.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.261\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.212\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.178\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.145\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.97\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/1caf737e625143c6f23c32d2b747b1a3e42e5699","https://git.kernel.org/stable/c/32edf8aa297745226854eda2d96c0fac66c1bb15","https://git.kernel.org/stable/c/973ead9e565423642e4533e1547b5d2c0476fb03","https://git.kernel.org/stable/c/33fd93961557ec8e3e9958995b28684c5f949394","https://git.kernel.org/stable/c/6d8bc0dc99472d62c57c2a3d436e6ab408592bda","https://git.kernel.org/stable/c/9571af2eec8023af9a1671b7f2cd4ab400011724","https://git.kernel.org/stable/c/88b33ee458a6ca5fbef6c53b9dba772da69dab68","https://git.kernel.org/stable/c/95cceadbfd52d7239bd730afdda0655287d77425"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72054","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72054","identifiers":["CVE-2026-72054"]},"retained":false,"historicalAffected":[]}],"coverage":[]}