CVE-2023-5563: high-severity vulnerability in zephyrproject-rtos Zephyr
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.5%
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:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Affected products
zephyrproject-rtos · ZephyrRelated CVEs — zephyrproject-rtos Zephyr
In the same product, most dangerous first.
CVE-2023-3725HIGHPotential buffer overflow vulnerability in the Zephyr CANbus subsystemEPSS 1.3%CVE-2023-4264HIGHPotential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystemEPSS 1.1%CVE-2023-4257HIGHUnchecked user input length in the Zephyr WiFi shell moduleEPSS 1.1%CVE-2023-5753MEDIUMPotential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystemEPSS 1.0%CVE-2023-0359MEDIUMipv6: Missing ipv6 nullptr-check in handle_ra_inputEPSS 0.9%CVE-2023-4260MEDIUMPotential off-by-one buffer overflow vulnerability in the Zephyr FS subsystemEPSS 0.9%