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CVE-2026-43074 Detail

Description

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/07712db80857d5d09ae08f3df85a708ecfc3b61f kernel.org
https://git.kernel.org/stable/c/5b1173b165421561db29f30afc7e97d940a398a9 kernel.org
https://git.kernel.org/stable/c/7e8083f5eeedab0f460063b9c2c14c9a4e71a427 kernel.org
https://git.kernel.org/stable/c/a6566cd33f6f967a7651ebf2ce0dd31572e319cf kernel.org
https://git.kernel.org/stable/c/ae0bb9c1fb7c2594519aeeb096cf2c3b7837b322 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-43074
NVD Published Date:
05/06/2026
NVD Last Modified:
05/06/2026
Source:
kernel.org