CVE-2023-0468

PoC —

CVSS 3.1

4.7 medium

EPSS

<1%p20

Published

Jan 26, 2023 (Jan 26, 2023)

Modified

Jun 17, 2026

Description

A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.

Vendors: linux
Products: linux kernel
Weakness: CWE-416
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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