CVE-2026-64335 (GCVE-0-2026-64335)
Vulnerability from cvelistv5
Published
2026-07-25 08:50
Modified
2026-08-17 04:53
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: USB: serial: digi_acceleport: fix broken rx after throttle If the port is closed while throttled, the read urb is never resubmitted and the port will not receive any further data until the device is reconnected (or the driver is rebound). Clear the throttle flags and submit the urb if needed when opening the port.
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/serial/digi_acceleport.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/serial/digi_acceleport.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.12"
            },
            {
              "lessThan": "2.6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.96",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.39",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.261",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.212",
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                  "vulnerable": true
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                {
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: digi_acceleport: fix broken rx after throttle\n\nIf the port is closed while throttled, the read urb is never resubmitted\nand the port will not receive any further data until the device is\nreconnected (or the driver is rebound).\n\nClear the throttle flags and submit the urb if needed when opening the\nport."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T04:53:38.295Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4f3f6f44db71e469933a7c36c5d57d937ba0a21b"
        },
        {
          "url": "https://git.kernel.org/stable/c/d5d2660caef78d4c996d34d123574c8e86f5b5ac"
        },
        {
          "url": "https://git.kernel.org/stable/c/61954033326fc7e637ed2aeeb4b52021e0ee4657"
        },
        {
          "url": "https://git.kernel.org/stable/c/8d50a910194f66566a5eb252b33283855c8d5203"
        },
        {
          "url": "https://git.kernel.org/stable/c/abacd67e6f689c62d8a13e3da25f4272bc9ad4af"
        },
        {
          "url": "https://git.kernel.org/stable/c/eab394781e9321c0c7e97a24fd092387cb262f40"
        },
        {
          "url": "https://git.kernel.org/stable/c/92fa3e1a49848509ea3f7995751963fc65095998"
        },
        {
          "url": "https://git.kernel.org/stable/c/83a3dfc018943b05b6daf3a6f891833e1aabfa1f"
        }
      ],
      "title": "USB: serial: digi_acceleport: fix broken rx after throttle",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-64335",
    "datePublished": "2026-07-25T08:50:00.835Z",
    "dateReserved": "2026-07-19T15:36:31.781Z",
    "dateUpdated": "2026-08-17T04:53:38.295Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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