CVE-2025-40135
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.
Published Nov 12, 2025 · updated Oct 15, 2026
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.
Code
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Timeline
Detection, updates, and resolution for this record.
Nov 12, 2025 · NIST NVD
Detected
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.
Oct 15, 2026 · NIST NVD
Updated
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.
Sources
- CVE.orgVulnerability recordCVE-2025-40135
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-40135
30-day exploitation probability 0.7%
first.org - NIST NVDVulnerability recordCVE-2025-40135
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.
nvd.nist.gov