Vulnerability-Lookup

GHSA-QFVF-63QJ-V6VJ

Vulnerability from github – Published: 2026-07-19 18:31 – Updated: 2026-07-19 18:31

Details

In the Linux kernel, the following vulnerability has been resolved:

USB: serial: digi_acceleport: fix memory corruption with small endpoints

Add the missing bulk-out buffer size sanity checks to avoid out-of-bounds memory accesses or slab corruption should a malicious device report smaller buffers than expected.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-63901"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-19T16:17:07Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: digi_acceleport: fix memory corruption with small endpoints\n\nAdd the missing bulk-out buffer size sanity checks to avoid\nout-of-bounds memory accesses or slab corruption should a malicious\ndevice report smaller buffers than expected.",
  "id": "GHSA-qfvf-63qj-v6vj",
  "modified": "2026-07-19T18:31:45Z",
  "published": "2026-07-19T18:31:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63901"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/062dcc0b324afd03b1406f157190804f105718bb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/25b93d0f229a115ab120106f37b9454170d4cfd4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/41b645e791099f0038225da5e2ca3ca31f00d435"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ab1e9ae099577a1019312088309ecbad2da9a91"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a65db5edd7b63365e9c5b7d9f4b8f314696dc49"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9469419b12a100e7e2ccdda64ab45b8368456c8a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb3560e8eab1dfa1cac1ed52631adf8ec6ff2cd5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fd34198c2e5d164b57a7dcd4692626fece319225"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-63901 (GCVE-0-2026-63901)

Vulnerability from cvelistv5 – Published: 2026-07-19 14:55 – Updated: 2026-07-19 14:55

Title

USB: serial: digi_acceleport: fix memory corruption with small endpoints

Summary

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digi_acceleport: fix memory corruption with small endpoints Add the missing bulk-out buffer size sanity checks to avoid out-of-bounds memory accesses or slab corruption should a malicious device report smaller buffers than expected.

Severity

No CVSS data available.

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/fd34198c2e5d164b5…
https://git.kernel.org/stable/c/25b93d0f229a115ab…
https://git.kernel.org/stable/c/6ab1e9ae099577a10…
https://git.kernel.org/stable/c/8a65db5edd7b63365…
https://git.kernel.org/stable/c/41b645e791099f003…
https://git.kernel.org/stable/c/062dcc0b324afd03b…
https://git.kernel.org/stable/c/9469419b12a100e7e…
https://git.kernel.org/stable/c/cb3560e8eab1dfa1c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fd34198c2e5d164b57a7dcd4692626fece319225 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 25b93d0f229a115ab120106f37b9454170d4cfd4 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6ab1e9ae099577a1019312088309ecbad2da9a91 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8a65db5edd7b63365e9c5b7d9f4b8f314696dc49 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 41b645e791099f0038225da5e2ca3ca31f00d435 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 062dcc0b324afd03b1406f157190804f105718bb (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9469419b12a100e7e2ccdda64ab45b8368456c8a (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cb3560e8eab1dfa1cac1ed52631adf8ec6ff2cd5 (git)
Linux	Linux	Affected: 2.6.12 Unaffected: 0 , < 2.6.12 (semver) Unaffected: 5.10.259 , ≤ 5.10.* (semver) Unaffected: 5.15.210 , ≤ 5.15.* (semver) Unaffected: 6.1.176 , ≤ 6.1.* (semver) Unaffected: 6.6.143 , ≤ 6.6.* (semver) Unaffected: 6.12.93 , ≤ 6.12.* (semver) Unaffected: 6.18.35 , ≤ 6.18.* (semver) Unaffected: 7.0.12 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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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",
          "versions": [
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              "status": "affected",
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            {
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            {
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              "versionType": "git"
            },
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              "versionType": "git"
            },
            {
              "lessThan": "41b645e791099f0038225da5e2ca3ca31f00d435",
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              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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              "status": "affected",
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              "versionType": "git"
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              "status": "affected",
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          ],
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          "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": "5.10.259",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.210",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.176",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.143",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.93",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.35",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.259",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
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                  "versionEndExcluding": "6.1.176",
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                  "versionEndExcluding": "6.18.35",
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                },
                {
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                }
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      "descriptions": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: digi_acceleport: fix memory corruption with small endpoints\n\nAdd the missing bulk-out buffer size sanity checks to avoid\nout-of-bounds memory accesses or slab corruption should a malicious\ndevice report smaller buffers than expected."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-19T14:55:09.553Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/6ab1e9ae099577a1019312088309ecbad2da9a91"
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          "url": "https://git.kernel.org/stable/c/8a65db5edd7b63365e9c5b7d9f4b8f314696dc49"
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          "url": "https://git.kernel.org/stable/c/cb3560e8eab1dfa1cac1ed52631adf8ec6ff2cd5"
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      "title": "USB: serial: digi_acceleport: fix memory corruption with small endpoints",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-63901",
    "datePublished": "2026-07-19T14:55:09.553Z",
    "dateReserved": "2026-07-19T07:54:57.019Z",
    "dateUpdated": "2026-07-19T14:55:09.553Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-QFVF-63QJ-V6VJ

CVE-2026-63901 (GCVE-0-2026-63901)

Tags

Sightings

Nomenclature