{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "f203b76d78092faf248db3f851840fbecf80b40e"
            },
            {
              "fixed": "04c1aa57d08471b1953bf27c84ac9b3d78d71831"
            },
            {
              "fixed": "bdfd1c21d90e628a58a9de79e024cdfcbedfa15c"
            },
            {
              "fixed": "80ec68bba11f7f387c0e4099c2d7b2c84943eb99"
            },
            {
              "fixed": "e9c90756f10da334fb31552e52c61f1dba69f491"
            },
            {
              "fixed": "37b61946d278c7deb0d40ba8f2b6fc0478d61dab"
            },
            {
              "fixed": "8ca2a19a987a7d1cb4c916ed9723a1c6993b4276"
            },
            {
              "fixed": "3ba2b2ef7d6a63b190f15cfc2b4ba0fba59928ea"
            },
            {
              "fixed": "095515d89b19b6cc19dfcdc846f97403ed1ebce3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.19.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72136.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: xfrm_interface: require CAP_NET_ADMIN in the device netns for changelink\n\nxfrmi_changelink() operates on at most two netns, dev_net(dev) and the\ninterface link netns xi-\u003enet. They differ once the device is created in\nor moved 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 xi-\u003enet can rewrite an interface that\nlives in xi-\u003enet.\n\nGate xfrmi_changelink() on rtnl_dev_link_net_capable() at its top,\nbefore any attribute is parsed.",
  "id": "CVE-2026-72136",
  "modified": "2026-08-18T03:31:30.580401298Z",
  "published": "2026-08-15T05:53:11.072Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04c1aa57d08471b1953bf27c84ac9b3d78d71831"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/095515d89b19b6cc19dfcdc846f97403ed1ebce3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/37b61946d278c7deb0d40ba8f2b6fc0478d61dab"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3ba2b2ef7d6a63b190f15cfc2b4ba0fba59928ea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/80ec68bba11f7f387c0e4099c2d7b2c84943eb99"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8ca2a19a987a7d1cb4c916ed9723a1c6993b4276"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bdfd1c21d90e628a58a9de79e024cdfcbedfa15c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9c90756f10da334fb31552e52c61f1dba69f491"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72136.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72136"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "xfrm: xfrm_interface: require CAP_NET_ADMIN in the device netns for changelink"
}