{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "773bfda35c9511734d7f898e2ee73cd60d2a3f38"
            },
            {
              "fixed": "b02e35b81176c7d61dd441cc7a2e5c324a82444b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "1a581b72169968f4154b5793828f3bc28b258b35"
            },
            {
              "fixed": "0ea6e5ad4a5817e91f11b4cc1e022e575ed2e7ca"
            },
            {
              "fixed": "a1af1884c960b98c621b6fe2fea1216b78c02152"
            },
            {
              "fixed": "af1f32ccf8051f4691ced11feb452b9d13561727"
            },
            {
              "fixed": "00ad6f9ed27f91925d4d3fb7aab50a60d774f998"
            },
            {
              "fixed": "5380c7f6335cc6d77eb77d065105e81155c4d9d3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "600593707c239bb99486925d65540a5020bc1e58"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.1.2"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.0.16"
            },
            {
              "fixed": "6.1"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89998.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm: fix race when loading and unloading a table\n\nIf the userspace calls two concurrent table load ioctls and one of them\nsucceeds and the other fails, there is a race condition because\ndm_setup_md_queue walks \u0026md-\u003etable_devices without any lock. If the walk\nraces with dm_table_destroy -\u003e free_devices -\u003e dm_put_table_device, there\nis access to invalid memory.\n\nFix this race by extending the lock over the list walk.",
  "id": "CVE-2026-89998",
  "modified": "2026-09-18T03:30:27.509301333Z",
  "published": "2026-09-16T10:33:10.012Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/00ad6f9ed27f91925d4d3fb7aab50a60d774f998"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0ea6e5ad4a5817e91f11b4cc1e022e575ed2e7ca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5380c7f6335cc6d77eb77d065105e81155c4d9d3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a1af1884c960b98c621b6fe2fea1216b78c02152"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af1f32ccf8051f4691ced11feb452b9d13561727"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b02e35b81176c7d61dd441cc7a2e5c324a82444b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89998.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89998"
    },
    {
      "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:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "dm: fix race when loading and unloading a table"
}