{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "bc45449b1444611d68466ae7f45f235420d79019"
            },
            {
              "fixed": "4f42f70afd2447f3c82ca69d1e03466a75348ba9"
            },
            {
              "fixed": "4c9bc46a2a4afb7a11c48d33bdf19febab431015"
            },
            {
              "fixed": "dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1"
            },
            {
              "fixed": "0927153f2abf48b6cc3e5f27063a17f7a8d47f38"
            },
            {
              "fixed": "b580f062b24c4eef562f08f210c028adb34ef14e"
            },
            {
              "fixed": "2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5"
            },
            {
              "fixed": "694e7e6edf249723ca7d3ef77c2ca1badfc78dc4"
            },
            {
              "fixed": "385c7af4e3b95d0769fd211831674e83b16a2ebf"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.5.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "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-2026-89982.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: mux: Fix channel node leak on adapter add failure\n\ni2c_mux_add_adapter() takes a reference to the Device Tree channel node\nbefore registering the new adapter. If adapter registration fails, the\nerror path frees the private data without dropping that reference.\n\nRelease the channel node before freeing the private data.",
  "id": "CVE-2026-89982",
  "modified": "2026-09-18T03:30:28.009145646Z",
  "published": "2026-09-16T10:32:58.747Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0927153f2abf48b6cc3e5f27063a17f7a8d47f38"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/385c7af4e3b95d0769fd211831674e83b16a2ebf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4c9bc46a2a4afb7a11c48d33bdf19febab431015"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f42f70afd2447f3c82ca69d1e03466a75348ba9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/694e7e6edf249723ca7d3ef77c2ca1badfc78dc4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b580f062b24c4eef562f08f210c028adb34ef14e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89982.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89982"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "i2c: mux: Fix channel node leak on adapter add failure"
}