CVE-2023-53705 (GCVE-0-2023-53705)
Vulnerability from cvelistv5
Published
2025-10-22 13:23
Modified
2025-10-22 13:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.
References
Impacted products
Vendor Product Version
Linux Linux Version: c61a404325093250b676f40ad8f4dd00f3bcab5f
Version: c61a404325093250b676f40ad8f4dd00f3bcab5f
Version: c61a404325093250b676f40ad8f4dd00f3bcab5f
Version: c61a404325093250b676f40ad8f4dd00f3bcab5f
Version: c61a404325093250b676f40ad8f4dd00f3bcab5f
Version: c61a404325093250b676f40ad8f4dd00f3bcab5f
Version: c61a404325093250b676f40ad8f4dd00f3bcab5f
Version: c61a404325093250b676f40ad8f4dd00f3bcab5f
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{
  "containers": {
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          "product": "Linux",
          "programFiles": [
            "net/ipv6/exthdrs_core.c"
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          "vendor": "Linux",
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              "version": "0",
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              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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          "nodes": [
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              "negate": false,
              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix out-of-bounds access in ipv6_find_tlv()\n\noptlen is fetched without checking whether there is more than one byte to parse.\nIt can lead to out-of-bounds access.\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with SVACE."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-22T13:23:42.641Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94"
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          "url": "https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53705",
    "datePublished": "2025-10-22T13:23:42.641Z",
    "dateReserved": "2025-10-22T13:21:37.346Z",
    "dateUpdated": "2025-10-22T13:23:42.641Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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  }
}


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