CVE-2023-5563 HIGH

CVE-2023-5563

Vendor Zephyrproject-Rtos
Product Zephyr
Weakness CWE-703
Published October 12, 2023
Last update September 17, 2024

CVSS base score

7.1/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The SJA1000 CAN controller driver backend automatically attempt to recover from a bus-off event when built with CONFIG_CAN_AUTO_BUS_OFF_RECOVERY=y. This results in calling k_sleep() in IRQ context, causing a fatal exception.

Key dates

02Disclosure timeline

October 12, 2023 CVE published
September 17, 2024 Record updated