CVE Vulnerabilities

CVE-2025-40158

Published: Nov 12, 2025 | Modified: Nov 12, 2025

CVSS 3.x

N/A

Source:

NVD

CVSS 2.x

RedHat/V2

RedHat/V3

Ubuntu

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Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2025-40158
CWE	https://cwe.mitre.org/data/definitions/.html

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

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