{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b62076e780a2121903ecf9ffdfb89c64647cb7da"
            },
            {
              "fixed": "be5738d19bed244ede84da45bc45395bcb1d99e0"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "188338c1827842f898761a939669cf345bdf07e2"
            },
            {
              "fixed": "b23e86a3a15803c3dcb24701285f73e65099fdf9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "56a512a9b4107079f68701e7d55da8507eb963d9"
            },
            {
              "fixed": "fde0634ad9856b3943a2d1a8cc8de174a63ac840"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.18.17"
            },
            {
              "fixed": "6.18.19"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.7"
            },
            {
              "fixed": "6.19.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43422.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: legacy: ncm: Fix NPE in gncm_bind\n\nCommit 56a512a9b410 (\"usb: gadget: f_ncm: align net_device lifecycle\nwith bind/unbind\") deferred the allocation of the net_device. This\nchange leads to a NULL pointer dereference in the legacy NCM driver as\nit attempts to access the net_device before it's fully instantiated.\n\nStore the provided qmult, host_addr, and dev_addr into the struct\nncm_opts-\u003enet_opts during gncm_bind(). These values will be properly\napplied to the net_device when it is allocated and configured later in\nthe binding process by the NCM function driver.",
  "id": "CVE-2026-43422",
  "modified": "2026-07-08T05:36:47.564931573Z",
  "published": "2026-05-08T14:21:57.031Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b23e86a3a15803c3dcb24701285f73e65099fdf9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/be5738d19bed244ede84da45bc45395bcb1d99e0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fde0634ad9856b3943a2d1a8cc8de174a63ac840"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43422.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43422"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "usb: legacy: ncm: Fix NPE in gncm_bind"
}