{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "6bae5ea9498926440ffc883f3dbceb0adc65e492"
            },
            {
              "fixed": "7eef9ae3b4ef782557526dd8ba0c206f028d8c2f"
            },
            {
              "fixed": "e8ea01a0457080b0cc7c69c430c0ab65d84dc377"
            },
            {
              "fixed": "cb6b0b1a9d5a61ef841739d42c6211094e9c8e2c"
            },
            {
              "fixed": "6ad4892c4f5cb437a928a02f5b7d37d496aa9268"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.20.0"
            },
            {
              "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-2026-89944.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: hdac_hda: Fix hlink refcount leak on component registration failure\n\nhdac_hda_dev_probe() gets the HDA link with snd_hdac_ext_bus_link_get()\nbefore registering the ASoC component. If component registration fails,\nthe function returns without dropping the link reference.\n\nAlways call snd_hdac_ext_bus_link_put() after the registration attempt so\nthe reference taken during probe is balanced on both success and failure.",
  "id": "CVE-2026-89944",
  "modified": "2026-09-18T03:31:04.180051637Z",
  "published": "2026-09-16T10:32:31.253Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ad4892c4f5cb437a928a02f5b7d37d496aa9268"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7eef9ae3b4ef782557526dd8ba0c206f028d8c2f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb6b0b1a9d5a61ef841739d42c6211094e9c8e2c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e8ea01a0457080b0cc7c69c430c0ab65d84dc377"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89944.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89944"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "ASoC: hdac_hda: Fix hlink refcount leak on component registration failure"
}