{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f"
            },
            {
              "fixed": "a23f2c68c6635e41404f189f8f7ae910738cebdb"
            },
            {
              "fixed": "e14db43677946bf2095febd294bb3c13ab375ab7"
            },
            {
              "fixed": "1a4adfbeb47a212a64539137411f1ca168474d33"
            },
            {
              "fixed": "1e3db30a88815bae6e9d5db6f64ac735e615a07e"
            },
            {
              "fixed": "952426a83ca75cea25c09d58944abafaa3ebd242"
            },
            {
              "fixed": "0db1949084e85a72d174a7dea3259b94fe5a9305"
            },
            {
              "fixed": "fc920c0659cdea5afd8721c1155a51564859e075"
            },
            {
              "fixed": "507541c2a8eeb76c02bd2511958f73a8cfa3e1bc"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "a24963500a4ec921ce9c2597e0a584e44513afae"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.19.291"
            },
            {
              "fixed": "4.20"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.2.0"
            },
            {
              "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/2026/80xxx/CVE-2026-80646.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: guard against possible NULL deref in __in6_dev_stats_get()\n\ndev_get_by_index_rcu() could return NULL if the original physical\ndevice is unregistered.\n\nFound by Sashiko.",
  "id": "CVE-2026-80646",
  "modified": "2026-08-31T03:30:56.846790984Z",
  "published": "2026-08-28T06:48:56.277Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0db1949084e85a72d174a7dea3259b94fe5a9305"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a4adfbeb47a212a64539137411f1ca168474d33"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1e3db30a88815bae6e9d5db6f64ac735e615a07e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/507541c2a8eeb76c02bd2511958f73a8cfa3e1bc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/952426a83ca75cea25c09d58944abafaa3ebd242"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a23f2c68c6635e41404f189f8f7ae910738cebdb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80646.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80646"
    },
    {
      "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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ipv6: guard against possible NULL deref in __in6_dev_stats_get()"
}