Security advisory

{
  "id": "6cf5ececfdbf487dbac9872ed7f18f13e240d1bfe49a40be13fb1f03cde927d6",
  "url": "https://osv.dev/vulnerability/CVE-2023-5563",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-5563",
    "summary": "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.",
    "evidence": "osv:CVE-2023-5563",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-5563",
      "aliases": [
        "CVE-2023-5563",
        "GHSA-98mc-rj7w-7rpv"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zephyrproject-rtos/zephyr",
              "type": "GIT",
              "events": [
                {
                  "introduced": "07c6af3b8c35c1e49186578ca61a25c76e2fb308"
                },
                {
                  "last_affected": "356c8cbe63ae01b3ab438382639d25bb418a0213"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.3"
                      },
                      {
                        "last_affected": "3.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "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"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.905983202Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5563.json",
        "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-98mc-rj7w-7rpv",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-5563",
        "https://github.com/zephyrproject-rtos/zephyr"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-703"
        ],
        "cna_assigner": "zephyr",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5563.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-5563",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491413,
  "published_at": "2023-10-12T23:11:18.074+00:00"
}