CVE-2023-1583

kernel: NULL pointer dereference in io_file_bitmap_get in io_uring/filetable.c

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Severity

Moderate

Red Hat Product Security

5.1

CVSS 3.1

Review impact separately from score.

Published · March 21, 2023

Updated · November 21, 2025

Description

A NULL pointer dereference flaw was found in the io_uring sub-component in io_file_bitmap_get of io_uring/filetable.c.the in the Linux kernel. This issue could allow a local user to crash the system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference