Boletines de Vulnerabilidades

CVE-2026-43074

   
Software afectado LINUX KERNEL
 
In the Linux kernel, the following vulnerability has been resolved:

eventpoll: defer struct eventpoll free to RCU grace period

In certain situations, ep_free() in eventpoll.c will kfree the epi->ep
eventpoll struct while it still being used by another concurrent thread.
Defer the kfree() to an RCU callback to prevent UAF.

Link:

https://nvd.nist.gov/vuln/detail/CVE-2026-43074