CVE-2023-2166

Published: Apr 19, 2023Modified: Jun 17, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. ml_priv may not be initialized in the receive path of CAN frames. A local user could use this flaw to crash the system or potentially cause a denial of service.

Affected (10)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

10 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Before 6.1
Linux Linux Kernel	Version 6.1
Linux Linux Kernel	Version 6.1 rc1
Linux Linux Kernel	Version 6.1 rc2
Linux Linux Kernel	Version 6.1 rc3
Linux Linux Kernel	Version 6.1 rc4
Linux Linux Kernel	Version 6.1 rc5
Linux Linux Kernel	Version 6.1 rc6
Linux Linux Kernel	Version 6.1 rc7
Linux Linux Kernel	Version 6.1 rc8

Related CWEs

CWE-476

NULL Pointer Dereference

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

References (2)

https://lore.kernel.org/lkml/CAO4mrfcV_07hbj8NUuZrA8FH-kaRsrFy-2metecpTuE5kKHn5w%40mail.gmail.com/

Source: secalert@redhat.com

https://lore.kernel.org/lkml/CAO4mrfcV_07hbj8NUuZrA8FH-kaRsrFy-2metecpTuE5kKHn5w%40mail.gmail.com/

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

Timeline

No history available yet.