CVE-2025-40135
High
Description
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Linux
PublishedNov 12, 2025
First seenNov 12, 2025
How to fix
Update
- Linux Linux7a228cfbb66cca49e9baf901c506364f8dfe036b, f0a54d00d2f36de40266f47c27989853e8588656, f69fec6287565fdeb61f65e700a1184352306943, bd0905e2122e3680968cd0741966983490bf2ed3, f7f9e924f23684b4b23cd9f976cceab24a968e34, 9085e56501d93af9f2d7bd16f7fcfacdde47b99c or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 ≤ v < 7a228cfbb66cca49e9baf901c506364f8dfe036b, 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 ≤ v < f0a54d00d2f36de40266f47c27989853e8588656, 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 ≤ v < f69fec6287565fdeb61f65e700a1184352306943, 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 ≤ v < bd0905e2122e3680968cd0741966983490bf2ed3, 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 ≤ v < f7f9e924f23684b4b23cd9f976cceab24a968e34, 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 ≤ v < 9085e56501d93af9f2d7bd16f7fcfacdde47b99c, 4.13 | 7a228cfbb66cca49e9baf901c506364f8dfe036b, f0a54d00d2f36de40266f47c27989853e8588656, f69fec6287565fdeb61f65e700a1184352306943, bd0905e2122e3680968cd0741966983490bf2ed3, f7f9e924f23684b4b23cd9f976cceab24a968e34, 9085e56501d93af9f2d7bd16f7fcfacdde47b99c |
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