CVE-2025-68188 (GCVE-0-2025-68188)
Vulnerability from cvelistv5
Published
2025-12-16 13:43
Modified
2025-12-16 13:43
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() Use RCU to avoid a pair of atomic operations and a potential UAF on dst_dev()->flags.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ipv4/tcp_fastopen.c"
          ],
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          "vendor": "Linux",
          "versions": [
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          "versions": [
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              "versionType": "semver"
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              "versionType": "original_commit_for_fix"
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      "cpeApplicability": [
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()\n\nUse RCU to avoid a pair of atomic operations and a potential\nUAF on dst_dev()-\u003eflags."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-16T13:43:10.680Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/bc2b881a0896c111c1041d8bb1f92a3b3873ace5"
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        {
          "url": "https://git.kernel.org/stable/c/06da08d9355bf8e2070459bbedbe372ccc02cc0e"
        },
        {
          "url": "https://git.kernel.org/stable/c/b62a59c18b692f892dcb8109c1c2e653b2abc95c"
        }
      ],
      "title": "tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68188",
    "datePublished": "2025-12-16T13:43:10.680Z",
    "dateReserved": "2025-12-16T13:41:40.252Z",
    "dateUpdated": "2025-12-16T13:43:10.680Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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