Vulnerability-Lookup

GHSA-GV6P-37WW-QHQ7

Vulnerability from github – Published: 2026-04-24 15:32 – Updated: 2026-04-24 15:32

Details

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

mmc: vub300: fix NULL-deref on disconnect

Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after-free.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-31651"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-24T15:16:44Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: vub300: fix NULL-deref on disconnect\n\nMake sure to deregister the controller before dropping the reference to\nthe driver data on disconnect to avoid NULL-pointer dereferences or\nuse-after-free.",
  "id": "GHSA-gv6p-37ww-qhq7",
  "modified": "2026-04-24T15:32:36Z",
  "published": "2026-04-24T15:32:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31651"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/517b58e1d067115f80d198feee10192da4c424d0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/53f2642d77ab5f1f303388bff5500363c6cf962c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6446516e626ce7c44bdadbcbb3d7677a2c52ce93"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d09e75759cb2afc0732acfb5a14a93c03805a61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba3b9429de94958dc0060d9816a915dd75c34919"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c83a282615d8f7ba28cebddd54600b419d562d82"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dff34ef879c5e73298443956a8b391311ba78d57"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-31651 (GCVE-0-2026-31651)

Vulnerability from cvelistv5 – Published: 2026-04-24 14:45 – Updated: 2026-04-24 14:45

Title

mmc: vub300: fix NULL-deref on disconnect

Summary

In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix NULL-deref on disconnect Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after-free.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/6446516e626ce7c44…
	https://git.kernel.org/stable/c/ba3b9429de94958dc…
	https://git.kernel.org/stable/c/517b58e1d067115f8…
	https://git.kernel.org/stable/c/6468cab1173f44f7a…
	https://git.kernel.org/stable/c/53f2642d77ab5f1f3…
	https://git.kernel.org/stable/c/c83a282615d8f7ba2…
	https://git.kernel.org/stable/c/8d09e75759cb2afc0…
	https://git.kernel.org/stable/c/dff34ef879c5e7329…

Impacted products

Vendor

Product

Version

Linux

Affected: 88095e7b473a3d9ec3b9c60429576e9cbd327c89 , < 6446516e626ce7c44bdadbcbb3d7677a2c52ce93 (git)
Affected: 88095e7b473a3d9ec3b9c60429576e9cbd327c89 , < ba3b9429de94958dc0060d9816a915dd75c34919 (git)
Affected: 88095e7b473a3d9ec3b9c60429576e9cbd327c89 , < 517b58e1d067115f80d198feee10192da4c424d0 (git)
Affected: 88095e7b473a3d9ec3b9c60429576e9cbd327c89 , < 6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a (git)
Affected: 88095e7b473a3d9ec3b9c60429576e9cbd327c89 , < 53f2642d77ab5f1f303388bff5500363c6cf962c (git)
Affected: 88095e7b473a3d9ec3b9c60429576e9cbd327c89 , < c83a282615d8f7ba28cebddd54600b419d562d82 (git)
Affected: 88095e7b473a3d9ec3b9c60429576e9cbd327c89 , < 8d09e75759cb2afc0732acfb5a14a93c03805a61 (git)
Affected: 88095e7b473a3d9ec3b9c60429576e9cbd327c89 , < dff34ef879c5e73298443956a8b391311ba78d57 (git)

Linux

Affected: 3.0
Unaffected: 0 , < 3.0 (semver)
Unaffected: 5.10.253 , ≤ 5.10.* (semver)
Unaffected: 5.15.203 , ≤ 5.15.* (semver)
Unaffected: 6.1.169 , ≤ 6.1.* (semver)
Unaffected: 6.6.135 , ≤ 6.6.* (semver)
Unaffected: 6.12.82 , ≤ 6.12.* (semver)
Unaffected: 6.18.23 , ≤ 6.18.* (semver)
Unaffected: 6.19.13 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mmc/host/vub300.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6446516e626ce7c44bdadbcbb3d7677a2c52ce93",
              "status": "affected",
              "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
              "versionType": "git"
            },
            {
              "lessThan": "ba3b9429de94958dc0060d9816a915dd75c34919",
              "status": "affected",
              "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
              "versionType": "git"
            },
            {
              "lessThan": "517b58e1d067115f80d198feee10192da4c424d0",
              "status": "affected",
              "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
              "versionType": "git"
            },
            {
              "lessThan": "6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a",
              "status": "affected",
              "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
              "versionType": "git"
            },
            {
              "lessThan": "53f2642d77ab5f1f303388bff5500363c6cf962c",
              "status": "affected",
              "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
              "versionType": "git"
            },
            {
              "lessThan": "c83a282615d8f7ba28cebddd54600b419d562d82",
              "status": "affected",
              "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
              "versionType": "git"
            },
            {
              "lessThan": "8d09e75759cb2afc0732acfb5a14a93c03805a61",
              "status": "affected",
              "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
              "versionType": "git"
            },
            {
              "lessThan": "dff34ef879c5e73298443956a8b391311ba78d57",
              "status": "affected",
              "version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mmc/host/vub300.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.0"
            },
            {
              "lessThan": "3.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.203",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.169",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.135",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.82",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.23",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.13",
              "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": "5.10.253",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.203",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.169",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.135",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.82",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.23",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.13",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "3.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: vub300: fix NULL-deref on disconnect\n\nMake sure to deregister the controller before dropping the reference to\nthe driver data on disconnect to avoid NULL-pointer dereferences or\nuse-after-free."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-24T14:45:03.905Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6446516e626ce7c44bdadbcbb3d7677a2c52ce93"
        },
        {
          "url": "https://git.kernel.org/stable/c/ba3b9429de94958dc0060d9816a915dd75c34919"
        },
        {
          "url": "https://git.kernel.org/stable/c/517b58e1d067115f80d198feee10192da4c424d0"
        },
        {
          "url": "https://git.kernel.org/stable/c/6468cab1173f44f7a4b7a05ce8abfdfd1ce1557a"
        },
        {
          "url": "https://git.kernel.org/stable/c/53f2642d77ab5f1f303388bff5500363c6cf962c"
        },
        {
          "url": "https://git.kernel.org/stable/c/c83a282615d8f7ba28cebddd54600b419d562d82"
        },
        {
          "url": "https://git.kernel.org/stable/c/8d09e75759cb2afc0732acfb5a14a93c03805a61"
        },
        {
          "url": "https://git.kernel.org/stable/c/dff34ef879c5e73298443956a8b391311ba78d57"
        }
      ],
      "title": "mmc: vub300: fix NULL-deref on disconnect",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31651",
    "datePublished": "2026-04-24T14:45:03.905Z",
    "dateReserved": "2026-03-09T15:48:24.128Z",
    "dateUpdated": "2026-04-24T14:45:03.905Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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-GV6P-37WW-QHQ7

CVE-2026-31651 (GCVE-0-2026-31651)

Tags

Sightings

Nomenclature