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.

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-25)

Published

2025-11-12

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

References

• https://git.kernel.org/stable/c/9085e56501d93af9f2d7bd16f7fcfacdde47b99c
• https://git.kernel.org/stable/c/bd0905e2122e3680968cd0741966983490bf2ed3
• https://git.kernel.org/stable/c/f0a54d00d2f36de40266f47c27989853e8588656
• https://git.kernel.org/stable/c/f69fec6287565fdeb61f65e700a1184352306943
• https://git.kernel.org/stable/c/f7f9e924f23684b4b23cd9f976cceab24a968e34

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