github - ghsa-4fg7-4778-957g

ghsa-4fg7-4778-957g

Vulnerability from github

Published

2025-12-07 00:30

Modified

2025-12-07 00:30

Details

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

smb/server: fix possible memory leak in smb2_read()

Memory leak occurs when ksmbd_vfs_read() fails. Fix this by adding the missing kvfree().

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40286"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-06T22:15:56Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix possible memory leak in smb2_read()\n\nMemory leak occurs when ksmbd_vfs_read() fails.\nFix this by adding the missing kvfree().",
  "id": "GHSA-4fg7-4778-957g",
  "modified": "2025-12-07T00:30:56Z",
  "published": "2025-12-07T00:30:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40286"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0797c6cf3b857cc229ab2bc69552938dcd738d78"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/63d8706a2c09a0c29b8b0e8a44bc7a1339685de9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fced056d2cc8d01b326e6fcfabaacb9850b71a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bfda5422a16651d0bf864ec468b1c216e1b10d91"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f1305587731886da37a214cda812ade246c653b0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-40286 (GCVE-0-2025-40286)

Vulnerability from cvelistv5

Published

2025-12-06 21:51

Modified

2025-12-06 21:51

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible memory leak in smb2_read() Memory leak occurs when ksmbd_vfs_read() fails. Fix this by adding the missing kvfree().

References

URL

Tags

	https://git.kernel.org/stable/c/0797c6cf3b857cc229ab2bc69552938dcd738d78
	https://git.kernel.org/stable/c/63d8706a2c09a0c29b8b0e8a44bc7a1339685de9
	https://git.kernel.org/stable/c/f1305587731886da37a214cda812ade246c653b0
	https://git.kernel.org/stable/c/bfda5422a16651d0bf864ec468b1c216e1b10d91
	https://git.kernel.org/stable/c/6fced056d2cc8d01b326e6fcfabaacb9850b71a4

Impacted products

Vendor

Product

Version

Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/smb2pdu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0797c6cf3b857cc229ab2bc69552938dcd738d78",
              "status": "affected",
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              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/smb2pdu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.159",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.117",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.59",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.159",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.117",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.59",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.9",
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                {
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                  "versionEndExcluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix possible memory leak in smb2_read()\n\nMemory leak occurs when ksmbd_vfs_read() fails.\nFix this by adding the missing kvfree()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-06T21:51:12.169Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0797c6cf3b857cc229ab2bc69552938dcd738d78"
        },
        {
          "url": "https://git.kernel.org/stable/c/63d8706a2c09a0c29b8b0e8a44bc7a1339685de9"
        },
        {
          "url": "https://git.kernel.org/stable/c/f1305587731886da37a214cda812ade246c653b0"
        },
        {
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        },
        {
          "url": "https://git.kernel.org/stable/c/6fced056d2cc8d01b326e6fcfabaacb9850b71a4"
        }
      ],
      "title": "smb/server: fix possible memory leak in smb2_read()",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40286",
    "datePublished": "2025-12-06T21:51:12.169Z",
    "dateReserved": "2025-04-16T07:20:57.184Z",
    "dateUpdated": "2025-12-06T21:51:12.169Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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