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CVE-2023-5563

nvd nist
Published: Oct 13, 2023Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

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.

Affected (1)

Zephyrproject
1 product
Zephyr
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Zephyr
Up to 3.4.0

Related CWEs

CWE-703
Improper Check or Handling of Exceptional Conditions
The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.

References (2)

Source: vulnerabilities@zephyrproject.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.