CVE-2026-43074 POC (Proof-of-Concept)

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.

Published: 2026-05-06

CVSS: 7.8

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Download CVE-2026-43074 POC (Proof-of-Concept) here:

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https://hokyo.gr/poc-197-cve-2026-7690/

https://hokyo.gr/poc-750-cve-2026-44244/

https://hokyo.gr/poc-650-cve-2026-8032/

https://hokyo.gr/poc-41-cve-2026-31709/

https://hokyo.gr/poc-292-cve-2026-42231/