CVE-2025-40158 - ipv6: use RCU in ip6_output()

CVE ID : CVE-2025-40158 Published : Nov. 12, 2025, 10:23 a.m. | 20 minutes ago 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(). Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...