{"api_version":"1","generated_at":"2026-05-30T10:14:53+00:00","cve":"CVE-2026-31544","urls":{"html":"https://cve.report/CVE-2026-31544","api":"https://cve.report/api/cve/CVE-2026-31544.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31544","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31544"},"summary":{"title":"firmware: arm_scmi: Fix NULL dereference on notify error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Fix NULL dereference on notify error path\n\nSince commit b5daf93b809d1 (\"firmware: arm_scmi: Avoid notifier\nregistration for unsupported events\") the call chains leading to the helper\n__scmi_event_handler_get_ops expect an ERR_PTR to be returned on failure to\nget an handler for the requested event key, while the current helper can\nstill return a NULL when no handler could be found or created.\n\nFix by forcing an ERR_PTR return value when the handler reference 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arm_scmi: Fix NULL dereference on notify error path","CVE":"CVE-2026-31544","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31544","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Fix NULL dereference on notify error path\n\nSince commit b5daf93b809d1 (\"firmware: arm_scmi: Avoid notifier\nregistration for unsupported events\") the call chains leading to the helper\n__scmi_event_handler_get_ops expect an ERR_PTR to be returned on failure to\nget an handler for the requested event key, while the current helper can\nstill return a NULL when no handler could be found or created.\n\nFix by forcing an ERR_PTR return value when the handler reference is NULL.","Type":"Description","Title":"firmware: arm_scmi: Fix NULL dereference on notify error path"}]}}}