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CVE-2026-64076

netfilter: bridge: eb_tables: close module init race

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.6.160, 6.12.114, 6.18.34, 7.0.11
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: eb_tables: close module init race sashiko reports for unrelated patch: Does the core ebtables initialization in ebtables.c suffer from a similar race? Once nf_register_sockopt() completes, the sockopts are exposed globally. sockopt has to be registered last, just like in ip/ip6/arptables.

Timeline

  1. CVE published
  2. CISA SSVC assessment

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

  3. Record last updated

Affected versions

  • Linux Linux

    From 5b53951cfc85329d29df9d07b1e905f4563546a5 · fixed in 5fc488f46086d17e8e545d8104ddd95b175de218; From 5b53951cfc85329d29df9d07b1e905f4563546a5 · fixed in 6bb35bdaabb22fd2d86b601904e928dbaa537941; From 5b53951cfc85329d29df9d07b1e905f4563546a5 · fixed in c647e2a21bbbaceda6cdb8a44a56f44d231dc4b4; From 5b53951cfc85329d29df9d07b1e905f4563546a5 · fixed in 02d999dc69b3918dba2414932b5d95f1f75c76cb; From 5b53951cfc85329d29df9d07b1e905f4563546a5 · fixed in 27414ff1b287ea9a2a11675149ec28e05539f3cc

  • Linux Linux

    5.13

  • KernelLinux

    From 5.13.0 · fixed in 6.6.160; From 6.7.0 · fixed in 6.12.114; From 6.13.0 · fixed in 6.18.34; From 6.19.0 · fixed in 7.0.11

References 5

git.kernel.org