CVE-2025-40158 | BDVDB-2026-301783 Detail
LinuxLinux
Description#
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().
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
No weakness recorded in the source data.
References#
- https://git.kernel.org/stable/c/4549ce1057363c8dc072f40c6aa591c279eafed2
- https://git.kernel.org/stable/c/423895685f367b5a0a956bd14b02df0192bded4c
- https://git.kernel.org/stable/c/92803b826e40e49a5e8a6e208f4b4574e9d19426
- https://git.kernel.org/stable/c/0393f85c3241c19ba8550f04a812e7d19f6b3082
- https://git.kernel.org/stable/c/11709573cc4e48dc34c80fc7ab9ce5b159e29695
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.