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, causing a fatal exception.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.1 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
zephyrCNA
7.1 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CVEADP
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CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
zephyrprojectzephyr
𝑥
≤ 3.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-98mc-rj7w-7rpv
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-98mc-rj7w-7rpv