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.
Scores
CVSS v3
7.1
EPSS
0.0019
EPSS Percentile
40.2%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-703
Status
published
Products (1)
zephyrproject/zephyr
< 3.4.0
Published
Oct 13, 2023
Tracked Since
Feb 18, 2026