fkie_nvd - fkie_cve-2025-68221

fkie_cve-2025-68221

Vulnerability from fkie_nvd

Published

2025-12-16 14:15

Modified

2025-12-18 15:08

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix address removal logic in mptcp_pm_nl_rm_addr Fix inverted WARN_ON_ONCE condition that prevented normal address removal counter updates. The current code only executes decrement logic when the counter is already 0 (abnormal state), while normal removals (counter > 0) are ignored.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/92e239e36d600002559074994a545fcfac9afd2d
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f7d953c38245c0e9d8e268fb6a9e524602fb44ec

Impacted products

	Vendor	Product	Version

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix address removal logic in mptcp_pm_nl_rm_addr\n\nFix inverted WARN_ON_ONCE condition that prevented normal address\nremoval counter updates. The current code only executes decrement\nlogic when the counter is already 0 (abnormal state), while\nnormal removals (counter \u003e 0) are ignored."
    }
  ],
  "id": "CVE-2025-68221",
  "lastModified": "2025-12-18T15:08:06.237",
  "metrics": {},
  "published": "2025-12-16T14:15:55.293",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/92e239e36d600002559074994a545fcfac9afd2d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f7d953c38245c0e9d8e268fb6a9e524602fb44ec"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2025-68221 (GCVE-0-2025-68221)

Vulnerability from cvelistv5

Published

2025-12-16 13:57

Modified

2025-12-16 13:57

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix address removal logic in mptcp_pm_nl_rm_addr Fix inverted WARN_ON_ONCE condition that prevented normal address removal counter updates. The current code only executes decrement logic when the counter is already 0 (abnormal state), while normal removals (counter > 0) are ignored.

References

URL

Tags

	https://git.kernel.org/stable/c/f7d953c38245c0e9d8e268fb6a9e524602fb44ec
	https://git.kernel.org/stable/c/92e239e36d600002559074994a545fcfac9afd2d

Impacted products

Vendor

Product

Version

Version: 63611391850850bf27f81afb0d0b6d1237a34006
Version: 63611391850850bf27f81afb0d0b6d1237a34006

Version: 6.15

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/mptcp/pm_kernel.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f7d953c38245c0e9d8e268fb6a9e524602fb44ec",
              "status": "affected",
              "version": "63611391850850bf27f81afb0d0b6d1237a34006",
              "versionType": "git"
            },
            {
              "lessThan": "92e239e36d600002559074994a545fcfac9afd2d",
              "status": "affected",
              "version": "63611391850850bf27f81afb0d0b6d1237a34006",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/mptcp/pm_kernel.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.15"
            },
            {
              "lessThan": "6.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.10",
              "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": "6.17.10",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix address removal logic in mptcp_pm_nl_rm_addr\n\nFix inverted WARN_ON_ONCE condition that prevented normal address\nremoval counter updates. The current code only executes decrement\nlogic when the counter is already 0 (abnormal state), while\nnormal removals (counter \u003e 0) are ignored."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-16T13:57:14.836Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f7d953c38245c0e9d8e268fb6a9e524602fb44ec"
        },
        {
          "url": "https://git.kernel.org/stable/c/92e239e36d600002559074994a545fcfac9afd2d"
        }
      ],
      "title": "mptcp: fix address removal logic in mptcp_pm_nl_rm_addr",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68221",
    "datePublished": "2025-12-16T13:57:14.836Z",
    "dateReserved": "2025-12-16T13:41:40.257Z",
    "dateUpdated": "2025-12-16T13:57:14.836Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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