{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b185f01a9ab7af586133be2555298e960237359b"
            },
            {
              "fixed": "994afccfdcceb73be33f69a8a8ea71e260c9eca5"
            },
            {
              "fixed": "e03597ad9494b500344076589aeaa6c6d2d381d3"
            },
            {
              "fixed": "4cde0b38cc0cb8b7dc17295801015148de37d1d2"
            },
            {
              "fixed": "e41bbbbb1740ce4d7270ab1cdeca13892d6a8d2e"
            },
            {
              "fixed": "c2e819be6a5c7f34344926b4bd7e3dfca58cf48a"
            }
          ],
          "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": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68369.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: printer: fix infinite loop in printer_read()\n\nprinter_read() uses the same variable for the requested copy size and\nthe number of bytes actually copied to user space. copy_to_user()\nreturns the number of bytes not copied, so when it fails to copy\nanything, the computed copied length becomes zero.\n\nIn that case len, buf, current_rx_bytes and current_rx_buf are left\nunchanged. If RX data is available and the user buffer remains\nunwritable, the read loop can repeat indefinitely.\n\nTrack the copied length separately and return -EFAULT, or the number of\nbytes already copied, if an iteration makes no progress.",
  "id": "CVE-2026-68369",
  "modified": "2026-08-12T03:51:27.024713472Z",
  "published": "2026-08-10T12:03:46.845Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4cde0b38cc0cb8b7dc17295801015148de37d1d2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/994afccfdcceb73be33f69a8a8ea71e260c9eca5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c2e819be6a5c7f34344926b4bd7e3dfca58cf48a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e03597ad9494b500344076589aeaa6c6d2d381d3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e41bbbbb1740ce4d7270ab1cdeca13892d6a8d2e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68369.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68369"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "usb: gadget: printer: fix infinite loop in printer_read()"
}