CVE-2025-21764 (GCVE-0-2025-21764)
Vulnerability from cvelistv5
Published
2025-02-27 02:18
Modified
2025-05-04 07:20
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndisc_alloc_skb() ndisc_alloc_skb() can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF.
References
Impacted products
Vendor Product Version
Linux Linux Version: de09334b9326632bbf1a74bfd8b01866cbbf2f61
Version: de09334b9326632bbf1a74bfd8b01866cbbf2f61
Version: de09334b9326632bbf1a74bfd8b01866cbbf2f61
Version: de09334b9326632bbf1a74bfd8b01866cbbf2f61
Version: de09334b9326632bbf1a74bfd8b01866cbbf2f61
Version: de09334b9326632bbf1a74bfd8b01866cbbf2f61
Version: de09334b9326632bbf1a74bfd8b01866cbbf2f61
Version: de09334b9326632bbf1a74bfd8b01866cbbf2f61
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\"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nndisc: use RCU protection in ndisc_alloc_skb()\\n\\nndisc_alloc_skb() can be called without RTNL or RCU being held.\\n\\nAdd RCU protection to avoid possible UAF.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.291\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.235\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.179\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.129\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.79\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.16\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13.4\", \"versionStartIncluding\": \"3.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.14\", \"versionStartIncluding\": \"3.9\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:20:36.864Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-21764\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T07:20:36.864Z\", \"dateReserved\": \"2024-12-29T08:45:45.761Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-27T02:18:15.598Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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