CVE-2023-46862

Published: Oct 29, 2023Modified: Jun 17, 2026

4.7

Vector

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

Exploitability: 1.0 / Impact: 3.6

Source: NVD

Description

An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.

Affected (1)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Up to 6.5.9

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (6)

https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4

Source: cve@mitre.org

Issue TrackingPatchThird Party Advisory

https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46

Source: cve@mitre.org

Patch

https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html

Source: cve@mitre.org

https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatchThird Party Advisory

https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.