CVE-2025-40158
ipv6: use RCU in ip6_output()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Nov 12, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 < 0393f85c3241c19ba8550f04a812e7d19f6b3082 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 < 11709573cc4e48dc34c80fc7ab9ce5b159e29695
Linux / Linux
4.13