Vulnerability-Lookup

GHSA-PFPG-CF3X-8P3V

Vulnerability from github – Published: 2026-07-25 12:31 – Updated: 2026-07-25 12:31

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-64335"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-25T10:17:15Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-pfpg-cf3x-8p3v",
  "modified": "2026-07-25T12:31:32Z",
  "published": "2026-07-25T12:31:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64335"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f3f6f44db71e469933a7c36c5d57d937ba0a21b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61954033326fc7e637ed2aeeb4b52021e0ee4657"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/83a3dfc018943b05b6daf3a6f891833e1aabfa1f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d50a910194f66566a5eb252b33283855c8d5203"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/92fa3e1a49848509ea3f7995751963fc65095998"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/abacd67e6f689c62d8a13e3da25f4272bc9ad4af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5d2660caef78d4c996d34d123574c8e86f5b5ac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eab394781e9321c0c7e97a24fd092387cb262f40"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-64335 (GCVE-0-2026-64335)

Vulnerability from cvelistv5 – Published: 2026-07-25 08:50 – Updated: 2026-07-25 08:50

Title

USB: serial: digi_acceleport: fix broken rx after throttle

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.

Severity

No CVSS data available.

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/4f3f6f44db71e4699…
https://git.kernel.org/stable/c/d5d2660caef78d4c9…
https://git.kernel.org/stable/c/61954033326fc7e63…
https://git.kernel.org/stable/c/8d50a910194f66566…
https://git.kernel.org/stable/c/abacd67e6f689c62d…
https://git.kernel.org/stable/c/eab394781e9321c0c…
https://git.kernel.org/stable/c/92fa3e1a49848509e…
https://git.kernel.org/stable/c/83a3dfc018943b05b…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4f3f6f44db71e469933a7c36c5d57d937ba0a21b (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d5d2660caef78d4c996d34d123574c8e86f5b5ac (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 61954033326fc7e637ed2aeeb4b52021e0ee4657 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8d50a910194f66566a5eb252b33283855c8d5203 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < abacd67e6f689c62d8a13e3da25f4272bc9ad4af (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < eab394781e9321c0c7e97a24fd092387cb262f40 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 92fa3e1a49848509ea3f7995751963fc65095998 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 83a3dfc018943b05b6daf3a6f891833e1aabfa1f (git)
Linux	Linux	Affected: 2.6.12 Unaffected: 0 , < 2.6.12 (semver) Unaffected: 5.10.261 , ≤ 5.10.* (semver) Unaffected: 5.15.212 , ≤ 5.15.* (semver) Unaffected: 6.1.178 , ≤ 6.1.* (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.96 , ≤ 6.12.* (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc3 , ≤ * (original_commit_for_fix)

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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/usb/serial/digi_acceleport.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "2.6.12"
            },
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              "status": "unaffected",
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              "status": "unaffected",
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              "versionType": "semver"
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              "status": "unaffected",
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              "status": "unaffected",
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              "status": "unaffected",
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              "status": "unaffected",
              "version": "7.1.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
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      "cpeApplicability": [
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      "providerMetadata": {
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      "title": "USB: serial: digi_acceleport: fix broken rx after throttle",
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    "datePublished": "2026-07-25T08:50:00.835Z",
    "dateReserved": "2026-07-19T15:36:31.781Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

GHSA-PFPG-CF3X-8P3V

CVE-2026-64335 (GCVE-0-2026-64335)

Tags

Sightings

Nomenclature