{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "24213fa46c7080c31d79aa2e3e2f0d9480cab700"
            },
            {
              "fixed": "f89df93e8aefa4c1c813f835559f2ac727f79766"
            },
            {
              "fixed": "3f586b4c92e4272fcd01bf0db0590b63acf3e85b"
            },
            {
              "fixed": "b3d39b03799600c76c33486e2d29b73a771023db"
            },
            {
              "fixed": "72f673d1c1deb819554d3e7e154f6d84301eb735"
            },
            {
              "fixed": "60a23d4ea169e27403f3bb023bb98036797c0206"
            },
            {
              "fixed": "7591d1727067d6063247901ad25c4bdc4e5695c4"
            },
            {
              "fixed": "ce6050bafb4e33377dc17fcc357736bfc351180c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.13.0"
            },
            {
              "fixed": "5.15.216"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68422.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()\n\nIf we have an unexpected reloc_root for our root, we jump to the out label\nbut never drop the reference we obtained for root, resulting in a leak.\nAdd a missing btrfs_put_root() call.",
  "id": "CVE-2026-68422",
  "modified": "2026-08-21T03:30:16.223281632Z",
  "published": "2026-08-10T12:04:42.949Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3f586b4c92e4272fcd01bf0db0590b63acf3e85b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/60a23d4ea169e27403f3bb023bb98036797c0206"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72f673d1c1deb819554d3e7e154f6d84301eb735"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7591d1727067d6063247901ad25c4bdc4e5695c4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b3d39b03799600c76c33486e2d29b73a771023db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce6050bafb4e33377dc17fcc357736bfc351180c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f89df93e8aefa4c1c813f835559f2ac727f79766"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68422.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68422"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()"
}