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CVE-2025-40135

ipv6: use RCU in ip6_xmit()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.1.167, 6.6.130, 6.12.78, 6.17.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 · fixed in f0a54d00d2f36de40266f47c27989853e8588656; From 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 · fixed in f69fec6287565fdeb61f65e700a1184352306943; From 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 · fixed in bd0905e2122e3680968cd0741966983490bf2ed3; From 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 · fixed in f7f9e924f23684b4b23cd9f976cceab24a968e34; From 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 · fixed in 9085e56501d93af9f2d7bd16f7fcfacdde47b99c

  • Linux Linux

    4.13

  • KernelLinux

    From 4.13.0 · fixed in 6.1.167; From 6.2.0 · fixed in 6.6.130; From 6.7.0 · fixed in 6.12.78; From 6.13.0 · fixed in 6.17.3

References 5

git.kernel.org