VULNERABILITY INTELLIGENCE

CVE-2023-5563

CVSS score7.1 HIGH
EPSS probability0.53%
CISA KEVNot currently listed
Published2023-10-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Description

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.

Weakness classification

  • CWE-703: Improper Check or Handling of Exceptional Conditions

Primary references