github - ghsa-9f95-mpr2-5ghw

ghsa-9f95-mpr2-5ghw

Vulnerability from github

Published

2025-11-13 00:30

Modified

2025-11-13 00:30

Details

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

listmount: don't call path_put() under namespace semaphore

Massage listmount() and make sure we don't call path_put() under the namespace semaphore. If we put the last reference we're fscked.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40203"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-12T22:15:47Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nlistmount: don\u0027t call path_put() under namespace semaphore\n\nMassage listmount() and make sure we don\u0027t call path_put() under the\nnamespace semaphore. If we put the last reference we\u0027re fscked.",
  "id": "GHSA-9f95-mpr2-5ghw",
  "modified": "2025-11-13T00:30:18Z",
  "published": "2025-11-13T00:30:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40203"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/659874b7ee4976ad9ce476e07fd36bc67b3537f1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9c80da26fda2fdcaac7f92b5908875b3108830ff"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-40203 (GCVE-0-2025-40203)

Vulnerability from cvelistv5

Published

2025-11-12 21:56

Modified

2025-11-12 21:56

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: listmount: don't call path_put() under namespace semaphore Massage listmount() and make sure we don't call path_put() under the namespace semaphore. If we put the last reference we're fscked.

References

URL

Tags

	https://git.kernel.org/stable/c/659874b7ee4976ad9ce476e07fd36bc67b3537f1
	https://git.kernel.org/stable/c/9c80da26fda2fdcaac7f92b5908875b3108830ff
	https://git.kernel.org/stable/c/c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0

Impacted products

Vendor

Product

Version

Version: b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d
Version: b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d
Version: b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d

Version: 6.8

Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/namespace.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d",
              "versionType": "git"
            },
            {
              "lessThan": "9c80da26fda2fdcaac7f92b5908875b3108830ff",
              "status": "affected",
              "version": "b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d",
              "versionType": "git"
            },
            {
              "lessThan": "c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0",
              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
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          "programFiles": [
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          ],
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          "versions": [
            {
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              "version": "6.8"
            },
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              "version": "0",
              "versionType": "semver"
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            {
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              "version": "6.12.54",
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            },
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              "status": "unaffected",
              "version": "6.17.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "vulnerable": true
                },
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                },
                {
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                  "versionStartIncluding": "6.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlistmount: don\u0027t call path_put() under namespace semaphore\n\nMassage listmount() and make sure we don\u0027t call path_put() under the\nnamespace semaphore. If we put the last reference we\u0027re fscked."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-12T21:56:34.801Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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        {
          "url": "https://git.kernel.org/stable/c/c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0"
        }
      ],
      "title": "listmount: don\u0027t call path_put() under namespace semaphore",
      "x_generator": {
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  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40203",
    "datePublished": "2025-11-12T21:56:34.801Z",
    "dateReserved": "2025-04-16T07:20:57.179Z",
    "dateUpdated": "2025-11-12T21:56:34.801Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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