{"id":"CVE-2023-5563","details":"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.","aliases":["GHSA-98mc-rj7w-7rpv"],"modified":"2026-07-15T01:48:59.946445048Z","published":"2023-10-12T23:11:18.074Z","database_specific":{"cwe_ids":["CWE-703"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5563.json","cna_assigner":"zephyr"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5563.json"},{"type":"ADVISORY","url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-98mc-rj7w-7rpv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5563"},{"type":"PACKAGE","url":"https://github.com/zephyrproject-rtos/zephyr"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zephyrproject-rtos/zephyr","events":[{"introduced":"07c6af3b8c35c1e49186578ca61a25c76e2fb308"},{"last_affected":"356c8cbe63ae01b3ab438382639d25bb418a0213"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"3.3"},{"last_affected":"3.4"}]}}],"versions":["zephyr-v3.4.0","v3.4.0","v3.4.0-rc3","v3.4.0-rc2","v3.4.0-rc1","zephyr-v3.3.0","v3.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-5563.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"}]}