CVE-2023-0468

MediumCVSS 4.7/10Last 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.

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	Kernel	Linux Kernel prior to Kernel 6.1 RC7

References

https://bugzilla.redhat.com/show_bug.cgi?id=2164024Exploit, Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2164024Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Jan 26, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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