CVE-2025-40158 (GCVE-0-2025-40158)
Vulnerability from cvelistv5
Published
2025-11-12 10:23
Modified
2025-11-12 10:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_output() Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF. We can remove rcu_read_lock()/rcu_read_unlock() pairs from ip6_finish_output2().
References
Impacted products
Vendor Product Version
Linux Linux Version: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36
Version: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36
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{
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        {
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          "product": "Linux",
          "programFiles": [
            "net/ipv6/ip6_output.c"
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-12T10:23:29.516Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
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      "title": "ipv6: use RCU in ip6_output()",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40158",
    "datePublished": "2025-11-12T10:23:29.516Z",
    "dateReserved": "2025-04-16T07:20:57.176Z",
    "dateUpdated": "2025-11-12T10:23:29.516Z",
    "state": "PUBLISHED"
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  }
}


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