PT-2023-32178 · Unknown · Sja1000 Can Controller Driver Backend

Henrikbrixandersen · Published 2023-10-12 · Updated 2023-10-18 · CVE-2023-5563

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions SJA1000 CAN controller driver backend (affected versions not specified)

Description The issue arises when the SJA1000 CAN controller driver backend is built with CONFIG CAN AUTO BUS OFF RECOVERY=y, causing it to automatically attempt to recover from a bus-off event. This results in calling k sleep() in IRQ context, leading to a fatal exception.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-703

Related Identifiers

CVE-2023-5563

GHSA-98MC-RJ7W-7RPV

Affected Products

Sja1000 Can Controller Driver Backend

References · 4

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-98mc-rj7w-7rpv · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-5563 · Security Note
• https://osv.dev/vulnerability/CVE-2023-5563 · Vendor Advisory
• https://twitter.com/CVEnew/status/1712610863423848738 · Twitter Post