{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "df2069acb00569a6299d6e11aa1865eeba463848"
            },
            {
              "fixed": "3cee30f1138281a1d247bb053a1ad4f7c5b04e98"
            },
            {
              "fixed": "f3c4026524d3660c73ef2838b99776d37631e039"
            },
            {
              "fixed": "e8f739a3860d043dcc135371637e82f53132efe5"
            },
            {
              "fixed": "4183874b7925f4a98b400cf857bea26ee87da236"
            },
            {
              "fixed": "00c3fef4c2dc2c7cbd8281f8fda09d1913420f09"
            },
            {
              "fixed": "8c29d9cfab1c3cf0d0b7fcdf9255597be30aa3e1"
            },
            {
              "fixed": "835b0596d4c9bdef93f842d8f826978fb4956b74"
            },
            {
              "fixed": "0bddda5a11665c210339de76d27ebbd1a2e0b43c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.10.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.96"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.39"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64337.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: mtu3: unmap request DMA on queue failure\n\nmtu3_gadget_queue() maps the request before checking whether\nthe QMU GPD ring can accept another transfer. the request is\nreturned with -EAGAIN before it is linked on the endpoint\nrequest list if mtu3_prepare_transfer() fails.\n\nNormal completion and dequeue paths unmap requests from\nmtu3_req_complete(), but this error path never reaches that\nhelper, so the DMA mapping is left active. Unmap the request\nbefore returning from the failed queue path.",
  "id": "CVE-2026-64337",
  "modified": "2026-07-27T03:56:39.318212306Z",
  "published": "2026-07-25T08:50:02.066Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/00c3fef4c2dc2c7cbd8281f8fda09d1913420f09"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0bddda5a11665c210339de76d27ebbd1a2e0b43c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3cee30f1138281a1d247bb053a1ad4f7c5b04e98"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4183874b7925f4a98b400cf857bea26ee87da236"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/835b0596d4c9bdef93f842d8f826978fb4956b74"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c29d9cfab1c3cf0d0b7fcdf9255597be30aa3e1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e8f739a3860d043dcc135371637e82f53132efe5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3c4026524d3660c73ef2838b99776d37631e039"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64337.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64337"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "usb: mtu3: unmap request DMA on queue failure"
}