{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "81a1f90f20af71728f900f245aa69e9425fdef84"
            },
            {
              "fixed": "a5ab5f413d1e4c7ed5f64271b025f0726374509e"
            },
            {
              "fixed": "ba27e9d2207784da748b19170a2e56bd7770bd81"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.9.0"
            },
            {
              "fixed": "6.9.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40991.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id()\n\nThe of_k3_udma_glue_parse_chn_by_id() helper function erroneously\ninvokes \"of_node_put()\" on the \"udmax_np\" device-node passed to it,\nwithout having incremented its reference count at any point. Fix it.",
  "id": "CVE-2024-40991",
  "modified": "2026-07-15T01:48:57.346711013Z",
  "published": "2024-07-12T12:37:35.138Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a5ab5f413d1e4c7ed5f64271b025f0726374509e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba27e9d2207784da748b19170a2e56bd7770bd81"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40991.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-40991"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id()"
}