Vulnerability-Lookup

GHSA-MMP6-QMXW-FP3C

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: omninet: fix memory corruption with small endpoint

Make sure that the bulk-out buffers are at least as large as the hardcoded transfer size to avoid user-controlled slab corruption should a malicious device report a smaller endpoint max packet size than expected.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-63928"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-19T16:17:11Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: omninet: fix memory corruption with small endpoint\n\nMake sure that the bulk-out buffers are at least as large as the\nhardcoded transfer size to avoid user-controlled slab corruption should\na malicious device report a smaller endpoint max packet size than\nexpected.",
  "id": "GHSA-mmp6-qmxw-fp3c",
  "modified": "2026-07-19T18:31:46Z",
  "published": "2026-07-19T18:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63928"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0fee0ccac29e088d4bfab7e2d075725dcecd803d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/180996f0ca774001944e4afa452d569ba2f6455c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e7d32189d6219beb7db37cd0ea36b6bac7dfedb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/60df93d30f9bdd27db17c4d80ed80ef718d7226b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9a3860454bdfb765f936965e975c594352602ffc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b496e25ead5976bce2891dacaed09beb53a54f9f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f34cf2928387fba01a78381f3258c7e1428897d9"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-63928 (GCVE-0-2026-63928)

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

Title

USB: serial: omninet: fix memory corruption with small endpoint

Summary

In the Linux kernel, the following vulnerability has been resolved: USB: serial: omninet: fix memory corruption with small endpoint Make sure that the bulk-out buffers are at least as large as the hardcoded transfer size to avoid user-controlled slab corruption should a malicious device report a smaller endpoint max packet size than expected.

Severity

No CVSS data available.

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/180996f0ca7740019…
https://git.kernel.org/stable/c/b496e25ead5976bce…
https://git.kernel.org/stable/c/4e7d32189d6219beb…
https://git.kernel.org/stable/c/9a3860454bdfb765f…
https://git.kernel.org/stable/c/0bda1893e4cc4ad2b…
https://git.kernel.org/stable/c/0fee0ccac29e088d4…
https://git.kernel.org/stable/c/f34cf2928387fba01…
https://git.kernel.org/stable/c/60df93d30f9bdd27d…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 180996f0ca774001944e4afa452d569ba2f6455c (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b496e25ead5976bce2891dacaed09beb53a54f9f (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4e7d32189d6219beb7db37cd0ea36b6bac7dfedb (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9a3860454bdfb765f936965e975c594352602ffc (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2a (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 0fee0ccac29e088d4bfab7e2d075725dcecd803d (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f34cf2928387fba01a78381f3258c7e1428897d9 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 60df93d30f9bdd27db17c4d80ed80ef718d7226b (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/omninet.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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              "status": "affected",
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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": [
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                },
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: omninet: fix memory corruption with small endpoint\n\nMake sure that the bulk-out buffers are at least as large as the\nhardcoded transfer size to avoid user-controlled slab corruption should\na malicious device report a smaller endpoint max packet size than\nexpected."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-19T14:55:28.593Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2026-07-19T14:55:28.593Z",
    "dateReserved": "2026-07-19T07:54:57.021Z",
    "dateUpdated": "2026-07-19T14:55:28.593Z",
    "state": "PUBLISHED"
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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.

Action not permitted

GHSA-MMP6-QMXW-FP3C

CVE-2026-63928 (GCVE-0-2026-63928)

Tags

Sightings

Nomenclature