{"id":"CVE-2026-56909","kind":"vulnerability","aliases":["CVE-2026-56909"],"related":[],"title":"Android SoC firmware: missing check lets non-secure code change voltage registers","description":"In multiple functions of sswrp_cpm.dtsi, there is a possible way to modify voltage control registers from non-secure software due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","summary":"A missing permission check in sswrp_cpm.dtsi lets non-secure software modify voltage control registers. An attacker with local code execution could escalate privileges to System level without user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"sswrp_cpm.dtsi","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["android","embedded-soc","infrastructure"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:14+00:00","first_seen_at":"2026-11-10T20:46:06+00:00","triaged_at":"2026-11-10T20:53:53+00:00","updated_at":"2026-11-10T20:53:53+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:53:53Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android SoC firmware: missing check lets non-secure code change voltage registers","impact":"high","summary":"A missing permission check in sswrp_cpm.dtsi lets non-secure software modify voltage control registers. An attacker with local code execution could escalate privileges to System level without user interaction.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","embedded-soc"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local app escalates to System privileges via voltage registers","analyst_note":"Identify the affected Android/SoC vendor build and patch level from the NVD entry and the vendor bulletin; confirm fixed versions.","how_to_check":"unknown","plain_action":"","product_name":"sswrp_cpm.dtsi","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000646,"input_tokens":4538,"output_tokens":385,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-56909':16A,19A 'android':1A,21B 'attack':42B 'chang':11A 'check':5A,29B,81C 'code':10A,45B 'control':39B,69C 'could':47B,83C 'cve':14A,17A 'due':76C 'embed':23B 'embedded-soc':22B 'escal':48B,87C 'execut':46B,92C 'exploit':101C 'firmwar':3A 'function':58C 'infrastructur':25B 'interact':55B,96C 'lead':84C 'let':6A,32B 'level':52B 'local':44B,86C 'miss':4A,27B,79C 'modifi':37B,67C 'multipl':57C 'need':94C,99C 'non':8A,34B,73C 'non-secur':7A,33B,72C 'permiss':28B,80C 'possibl':64C 'privileg':49B,89C,93C 'regist':13A,40B,70C 'secur':9A,35B,74C 'soc':2A,24B 'softwar':36B,75C 'sswrp_cpm.dtsi':20A,31B,60C 'system':51B,91C 'user':54B,95C 'voltag':12A,38B,68C 'way':65C 'without':53B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":["sswrpcpmdtsi"],"ptokens":["cpm","dtsi","sswrp"],"labels":["android","embeddedsoc","infrastructure","unknown","vendor"],"campaign_type":null,"search_a":"'-2026':15A,18A '-56909':16A,19A 'android':1A 'chang':11A 'check':5A 'code':10A 'cve':14A,17A 'firmwar':3A 'let':6A 'miss':4A 'non':8A 'non-secur':7A 'regist':13A 'secur':9A 'soc':2A 'sswrp_cpm.dtsi':20A 'voltag':12A","search_b":"'android':21B 'attack':42B 'check':29B 'code':45B 'control':39B 'could':47B 'embed':23B 'embedded-soc':22B 'escal':48B 'execut':46B 'infrastructur':25B 'interact':55B 'let':32B 'level':52B 'local':44B 'miss':27B 'modifi':37B 'non':34B 'non-secur':33B 'permiss':28B 'privileg':49B 'regist':40B 'secur':35B 'soc':24B 'softwar':36B 'sswrp_cpm.dtsi':31B 'system':51B 'user':54B 'voltag':38B 'without':53B","search_c":"'check':81C 'control':69C 'could':83C 'due':76C 'escal':87C 'execut':92C 'exploit':101C 'function':58C 'interact':96C 'lead':84C 'local':86C 'miss':79C 'modifi':67C 'multipl':57C 'need':94C,99C 'non':73C 'non-secur':72C 'permiss':80C 'possibl':64C 'privileg':89C,93C 'regist':70C 'secur':74C 'softwar':75C 'sswrp_cpm.dtsi':60C 'system':91C 'user':95C 'voltag':68C 'way':65C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:14+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-56909","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56909","severity":null,"published_at":"2026-11-10T20:19:14+00:00","modified_at":"2026-11-10T20:19:14+00:00","first_seen_at":"2026-11-10T20:46:06+00:00","fetched_at":"2026-11-10T20:46:06+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}