CVE-2023-2166

MEDIUM

Linux Kernel < 6.1 - Denial of Service via Null Pointer Dereference in CAN Protocol

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0020
EPSS Percentile 10.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (2)
linux/linux_kernel 6.1 (9 CPE variants)
linux/linux_kernel < 6.1
Published Apr 19, 2023
Tracked Since Feb 18, 2026