{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "6e51147c2744d15730084dc89cc99180d3de4184"
            },
            {
              "fixed": "6a8592ace932081ea11aea41c460a1ca0f6344a4"
            },
            {
              "fixed": "5a82d842e8c35227d7227f19e5e654df1451782c"
            },
            {
              "fixed": "bcfeae431db9986c2b313e6a760f2ac8df61e138"
            },
            {
              "fixed": "2067b3838da6e4af03bae3630414193188d754b2"
            },
            {
              "fixed": "2b7dc482f859f2d027db07ff0efc1c5df5b3451a"
            },
            {
              "fixed": "79bc131df0e50f8f663c1fdbbe952aaf193a8d39"
            },
            {
              "fixed": "5c1ea24b53bf3bfb859f0a05573997487975da23"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.12"
            },
            {
              "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-2026-64334.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: digi_acceleport: fix hard lockup on disconnect\n\nIf submitting the OOB write urb fails persistently (e.g if the device is\nbeing disconnected) the driver would loop indefinitely with interrupts\ndisabled.\n\nCheck for urb submission errors when sending OOB commands to avoid\nhanging if, for example, open(), set_termios() or close() races with a\nphysical disconnect.\n\nThis is issue was flagged by Sashiko when reviewing an unrelated change\nto the driver.",
  "id": "CVE-2026-64334",
  "modified": "2026-07-27T03:56:29.986322414Z",
  "published": "2026-07-25T08:50:00.229Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2067b3838da6e4af03bae3630414193188d754b2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b7dc482f859f2d027db07ff0efc1c5df5b3451a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5a82d842e8c35227d7227f19e5e654df1451782c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5c1ea24b53bf3bfb859f0a05573997487975da23"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6a8592ace932081ea11aea41c460a1ca0f6344a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6e51147c2744d15730084dc89cc99180d3de4184"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79bc131df0e50f8f663c1fdbbe952aaf193a8d39"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bcfeae431db9986c2b313e6a760f2ac8df61e138"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64334.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64334"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "USB: serial: digi_acceleport: fix hard lockup on disconnect"
}