github - ghsa-3m9h-22j9-8m85

GHSA-3M9H-22J9-8M85

Vulnerability from github – Published: 2025-12-16 15:30 – Updated: 2025-12-16 15:30

Details

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

NFS: Check the TLS certificate fields in nfs_match_client()

If the TLS security policy is of type RPC_XPRTSEC_TLS_X509, then the cert_serial and privkey_serial fields need to match as well since they define the client's identity, as presented to the server.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68243"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-16T15:15:53Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Check the TLS certificate fields in nfs_match_client()\n\nIf the TLS security policy is of type RPC_XPRTSEC_TLS_X509, then the\ncert_serial and privkey_serial fields need to match as well since they\ndefine the client\u0027s identity, as presented to the server.",
  "id": "GHSA-3m9h-22j9-8m85",
  "modified": "2025-12-16T15:30:46Z",
  "published": "2025-12-16T15:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68243"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b8fa37219074811c04d4ecb742c73e2b296da6a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb2cba0854a7f315c8100a807a6959b99d72479e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-68243 (GCVE-0-2025-68243)

Vulnerability from cvelistv5 – Published: 2025-12-16 14:21 – Updated: 2025-12-16 14:21

Title

NFS: Check the TLS certificate fields in nfs_match_client()

Summary

In the Linux kernel, the following vulnerability has been resolved: NFS: Check the TLS certificate fields in nfs_match_client() If the TLS security policy is of type RPC_XPRTSEC_TLS_X509, then the cert_serial and privkey_serial fields need to match as well since they define the client's identity, as presented to the server.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/b8fa37219074811c0…
	https://git.kernel.org/stable/c/fb2cba0854a7f315c…

Impacted products

Vendor

Product

Version

Linux

Affected: 90c9550a8d65fb9b1bf87baf97a04ed91bf61b33 , < b8fa37219074811c04d4ecb742c73e2b296da6a8 (git)
Affected: 90c9550a8d65fb9b1bf87baf97a04ed91bf61b33 , < fb2cba0854a7f315c8100a807a6959b99d72479e (git)

Linux

Affected: 6.17
Unaffected: 0 , < 6.17 (semver)
Unaffected: 6.17.9 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfs/client.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b8fa37219074811c04d4ecb742c73e2b296da6a8",
              "status": "affected",
              "version": "90c9550a8d65fb9b1bf87baf97a04ed91bf61b33",
              "versionType": "git"
            },
            {
              "lessThan": "fb2cba0854a7f315c8100a807a6959b99d72479e",
              "status": "affected",
              "version": "90c9550a8d65fb9b1bf87baf97a04ed91bf61b33",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/nfs/client.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "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": "6.17.9",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Check the TLS certificate fields in nfs_match_client()\n\nIf the TLS security policy is of type RPC_XPRTSEC_TLS_X509, then the\ncert_serial and privkey_serial fields need to match as well since they\ndefine the client\u0027s identity, as presented to the server."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-16T14:21:20.421Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b8fa37219074811c04d4ecb742c73e2b296da6a8"
        },
        {
          "url": "https://git.kernel.org/stable/c/fb2cba0854a7f315c8100a807a6959b99d72479e"
        }
      ],
      "title": "NFS: Check the TLS certificate fields in nfs_match_client()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68243",
    "datePublished": "2025-12-16T14:21:20.421Z",
    "dateReserved": "2025-12-16T13:41:40.263Z",
    "dateUpdated": "2025-12-16T14:21:20.421Z",
    "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-3M9H-22J9-8M85

CVE-2025-68243 (GCVE-0-2025-68243)

Tags

Sightings

Nomenclature