{"id":"CVE-2026-98674","kind":"vulnerability","aliases":["CVE-2026-98674"],"related":[],"title":"Linux kernel: IIO AXI ADC driver used an uninitialized mutex","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: adi-axi-adc: Initialize state mutex\n\nThe AXI ADC register access paths serialize transactions with st->lock,\nbut probe does not initialize it. Initialize the mutex before registering\nthe backend.","summary":"The adi-axi-adc IIO driver in the Linux kernel serializes register access with a mutex that probe never initializes. The sources do not say what an attacker gains from this.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["analog-devices-adc","iio-driver","infrastructure","linux-kernel"],"not_affected_if":[],"how_to_check":"- unknown","fix":"- unknown","status":"open","published_at":"2026-10-18T16:17:20+00:00","first_seen_at":"2026-10-23T21:57:16+00:00","triaged_at":"2026-10-25T05:19:18+00:00","updated_at":"2026-10-25T05:19:18+00:00","category":"infrastructure","confidence":0.35,"triage":{"at":"2026-10-25T05:19:18Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"unknown","title":"Linux kernel: IIO AXI ADC driver used an uninitialized mutex","impact":"low","summary":"The adi-axi-adc IIO driver in the Linux kernel serializes register access with a mutex that probe never initializes. The sources do not say what an attacker gains from this.","category":"infrastructure","nicknames":[],"who_cares":["linux-kernel","iio-driver","analog-devices-adc"],"confidence":0.35,"needs_auth":"unknown","worst_case":"unknown, the sources do not describe the impact","analyst_note":"Check the upstream kernel commit and the NVD entry for the impact and the fixed kernel version.","how_to_check":"- unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000496,"input_tokens":3315,"output_tokens":330,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-98674':13A,16A 'access':41B,81C 'adc':5A,20B,32B,69C,73C,79C 'adi':30B,71C 'adi-axi-adc':29B,70C 'analog':18B 'analog-devices-adc':17B 'attack':56B 'axi':4A,31B,72C,78C 'backend':100C 'cve':11A,14A 'devic':19B 'driver':6A,23B,34B 'follow':63C 'gain':57B 'iio':3A,22B,33B,68C 'iio-driv':21B 'infrastructur':24B 'initi':48B,74C,92C,94C 'kernel':2A,27B,38B,61C 'linux':1A,26B,37B,60C 'linux-kernel':25B 'lock':87C 'mutex':10A,44B,76C,96C 'never':47B 'path':82C 'probe':46B,89C 'regist':40B,80C,98C 'resolv':67C 'say':53B 'serial':39B,83C 'sourc':50B 'st':86C 'state':75C 'transact':84C 'uniniti':9A 'use':7A 'vulner':64C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-18T16:17:20+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-98674","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98674","severity":null,"published_at":"2026-10-18T16:17:20+00:00","modified_at":"2026-10-19T10:19:31+00:00","first_seen_at":"2026-10-23T21:57:16+00:00","fetched_at":"2026-10-23T22:28:56+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}