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High severity7.1NVD Advisory· Published Oct 13, 2023· Updated Jun 17, 2026

CVE-2023-5563

CVE-2023-5563

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Zephyrproject Rtos/Zephyr3 versions
    cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*range: <=3.4.0
    • (no CPE)
    • (no CPE)range: 3.3

Patches

Vulnerability mechanics

References

1

News mentions

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