CVE-2026-64076

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux5b53951cfc85329d29df9d07b1e905f4563546a5 < c647e2a21bbbaceda6cdb8a44a56f44d231dc4b4affected
LinuxLinux5b53951cfc85329d29df9d07b1e905f4563546a5 < 02d999dc69b3918dba2414932b5d95f1f75c76cbaffected
LinuxLinux5b53951cfc85329d29df9d07b1e905f4563546a5 < 27414ff1b287ea9a2a11675149ec28e05539f3ccaffected
LinuxLinux5.13affected
LinuxLinux0 < 5.13unaffected
LinuxLinux6.18.34 <= 6.18.*unaffected
LinuxLinux7.0.11 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References