1. Home
  2. CVE Database
  3. CVE-2023-5563
HIGH · 7.1

CVE-2023-5563

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, ca...

Vulnerability 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.

CVSS Score

7.1

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH

Affected Products

VendorProductVersions
ZephyrprojectZephyr<= 3.4.0

Related Weaknesses (CWE)

CWE-703

References

FAQ

What is CVE-2023-5563?

CVE-2023-5563 is a vulnerability with a CVSS score of 7.1 (HIGH). 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, ca...

How severe is CVE-2023-5563?

CVE-2023-5563 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-5563?

Check the references section above for vendor advisories and patch information. Affected products include: Zephyrproject Zephyr.