Vulnerability-Lookup

GHSA-434P-VVGH-4RF9

Vulnerability from github – Published: 2026-05-01 15:30 – Updated: 2026-05-01 15:30

Details

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

usb: misc: usbio: Fix URB memory leak on submit failure

When usb_submit_urb() fails in usbio_probe(), the previously allocated URB is never freed, causing a memory leak.

Fix this by jumping to err_free_urb label to properly release the URB on the error path.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-31757"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-01T15:16:38Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: misc: usbio: Fix URB memory leak on submit failure\n\nWhen usb_submit_urb() fails in usbio_probe(), the previously allocated\nURB is never freed, causing a memory leak.\n\nFix this by jumping to err_free_urb label to properly release the URB\non the error path.",
  "id": "GHSA-434p-vvgh-4rf9",
  "modified": "2026-05-01T15:30:35Z",
  "published": "2026-05-01T15:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31757"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1762dc43b983d321180582afba4a0c5185fae04c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/65ff09f48b0e72e4049096a989723406aabcf091"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-31757 (GCVE-0-2026-31757)

Vulnerability from cvelistv5 – Published: 2026-05-01 14:14 – Updated: 2026-05-01 14:14

Title

usb: misc: usbio: Fix URB memory leak on submit failure

Summary

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: Fix URB memory leak on submit failure When usb_submit_urb() fails in usbio_probe(), the previously allocated URB is never freed, causing a memory leak. Fix this by jumping to err_free_urb label to properly release the URB on the error path.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/65ff09f48b0e72e40…
	https://git.kernel.org/stable/c/1762dc43b983d3211…
	https://git.kernel.org/stable/c/33cfe0709b6bf1a7f…

Impacted products

Vendor

Product

Version

Linux

Affected: 121a0f839dbb397af5fabb701cea3e9983223e50 , < 65ff09f48b0e72e4049096a989723406aabcf091 (git)
Affected: 121a0f839dbb397af5fabb701cea3e9983223e50 , < 1762dc43b983d321180582afba4a0c5185fae04c (git)
Affected: 121a0f839dbb397af5fabb701cea3e9983223e50 , < 33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21 (git)

Linux

Affected: 6.18
Unaffected: 0 , < 6.18 (semver)
Unaffected: 6.18.22 , ≤ 6.18.* (semver)
Unaffected: 6.19.12 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/misc/usbio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "65ff09f48b0e72e4049096a989723406aabcf091",
              "status": "affected",
              "version": "121a0f839dbb397af5fabb701cea3e9983223e50",
              "versionType": "git"
            },
            {
              "lessThan": "1762dc43b983d321180582afba4a0c5185fae04c",
              "status": "affected",
              "version": "121a0f839dbb397af5fabb701cea3e9983223e50",
              "versionType": "git"
            },
            {
              "lessThan": "33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21",
              "status": "affected",
              "version": "121a0f839dbb397af5fabb701cea3e9983223e50",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/misc/usbio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.22",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.22",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.12",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: misc: usbio: Fix URB memory leak on submit failure\n\nWhen usb_submit_urb() fails in usbio_probe(), the previously allocated\nURB is never freed, causing a memory leak.\n\nFix this by jumping to err_free_urb label to properly release the URB\non the error path."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-01T14:14:47.659Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/65ff09f48b0e72e4049096a989723406aabcf091"
        },
        {
          "url": "https://git.kernel.org/stable/c/1762dc43b983d321180582afba4a0c5185fae04c"
        },
        {
          "url": "https://git.kernel.org/stable/c/33cfe0709b6bf1a7f1a16d5e8d65d003a71b6a21"
        }
      ],
      "title": "usb: misc: usbio: Fix URB memory leak on submit failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31757",
    "datePublished": "2026-05-01T14:14:47.659Z",
    "dateReserved": "2026-03-09T15:48:24.139Z",
    "dateUpdated": "2026-05-01T14:14:47.659Z",
    "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-434P-VVGH-4RF9

CVE-2026-31757 (GCVE-0-2026-31757)

Tags

Sightings

Nomenclature