{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e831cd251fb91d6c25352d322743db0d17ea11dd"
            },
            {
              "fixed": "cd4ecce2fd87760c0ad9a9d28c9fc62ea1dbfd3d"
            },
            {
              "fixed": "dab741c9da72102a37cc1020a929051b7c45f9fb"
            },
            {
              "fixed": "764b507be7b51787e1f577ca3bf0bab7efe81ff8"
            },
            {
              "fixed": "3e8ed76a4f3572e637653f0654cccdf617903231"
            },
            {
              "fixed": "83aa12f9f2468a4fbef027c09224dc1011850fb0"
            },
            {
              "fixed": "5c1c5227c93f18cd329dd754b4df5e0e2daece1e"
            },
            {
              "fixed": "beb9b0bd6e6e23f5e9e42b7ef890a50f57f1f3aa"
            },
            {
              "fixed": "9da976eb649c9e2f588a4499410e4d8af687925f"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.1.0"
            },
            {
              "fixed": "5.10.266"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.217"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.184"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.153"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.105"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.46"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80559.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: sur40 - fix input device registration ordering\n\nIn sur40_probe(), input_register_device() was previously called early before\nthe V4L2 video device and vb2_queue components were fully initialized. If\nuserspace opened the input device immediately upon registration, sur40_open()\nwould trigger and start the sur40_poll() worker thread. This worker thread\ninvokes sur40_process_video() and accesses the uninitialized vb2_queue\nstructure, leading to a data race and potential system crash.\n\nFurthermore, if V4L2 or video registration failed after input_register_device()\nsucceeded, the error path fell through to calling input_free_device() on a\nsuccessfully registered device instead of input_unregister_device(), corrupting\ninput core state.\n\nMove input_register_device() to the very end of sur40_probe(). This ensures\nthe V4L2 and video queue structures are fully initialized before polling can\nstart, and naturally resolves the error path bug since input_free_device()\nis now only called when input registration has not yet occurred.\n\nTo maintain strict LIFO (Last-In, First-Out) teardown ordering, also move\ninput_unregister_device() to the very beginning of sur40_disconnect(). This\nguarantees that the input polling worker thread is stopped before V4L2\nvideo components or control handlers are unregistered.",
  "id": "CVE-2026-80559",
  "modified": "2026-08-28T03:30:54.550797220Z",
  "published": "2026-08-26T14:37:25.371Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e8ed76a4f3572e637653f0654cccdf617903231"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5c1c5227c93f18cd329dd754b4df5e0e2daece1e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/764b507be7b51787e1f577ca3bf0bab7efe81ff8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/83aa12f9f2468a4fbef027c09224dc1011850fb0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9da976eb649c9e2f588a4499410e4d8af687925f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/beb9b0bd6e6e23f5e9e42b7ef890a50f57f1f3aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cd4ecce2fd87760c0ad9a9d28c9fc62ea1dbfd3d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dab741c9da72102a37cc1020a929051b7c45f9fb"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80559.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80559"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Input: sur40 - fix input device registration ordering"
}