{"id":"CVE-2026-98529","kind":"vulnerability","aliases":["CVE-2026-98529"],"related":[],"title":"Linux kernel: GPIO arizona driver leaks a runtime PM reference on failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: arizona: Fix runtime PM leak in arizona_gpio_direction_out()\n\nSwitching a persistent GPIO line from input to output acquires a\nruntime PM reference on the parent device, but if the subsequent\nregmap_update_bits() fails the reference is never dropped and no later\ndirection_in() can balance it since the direction was never changed.\nDrop the reference on the update failure path.","summary":"In the Linux kernel's arizona GPIO driver, a failed register update when switching a line to output leaves a runtime power-management reference held and never released. The sources describe a resource leak, not code execution or data exposure.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["arm-devices-with-arizona-codec","infrastructure","linux-kernel"],"not_affected_if":["kernels-without-arizona-gpio-driver"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-18T16:17:04+00:00","first_seen_at":"2026-10-23T21:57:15+00:00","triaged_at":"2026-10-25T05:23:53+00:00","updated_at":"2026-10-25T05:23:53+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-25T05:23:53Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Linux kernel: GPIO arizona driver leaks a runtime PM reference on failure","impact":"low","summary":"In the Linux kernel's arizona GPIO driver, a failed register update when switching a line to output leaves a runtime power-management reference held and never released. The sources describe a resource leak, not code execution or data exposure.","category":"infrastructure","nicknames":[],"who_cares":["linux-kernel","arm-devices-with-arizona-codec"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Runtime PM reference leaks, parent device stays powered; a resource leak","analyst_note":"","how_to_check":"unknown","needs_analyst":false,"not_affected_if":["kernels-without-arizona-gpio-driver"],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000504,"input_tokens":3367,"output_tokens":335,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-98529':15A,18A 'acquir':100C 'arizona':4A,23B,34B,81C,87C 'arm':20B 'arm-devices-with-arizona-codec':19B 'balanc':128C 'bit':115C 'chang':135C 'code':65B 'codec':24B 'cve':13A,16A 'data':68B 'describ':60B 'devic':21B,108C 'direct':89C,125C,132C 'driver':5A,36B 'drop':121C,136C 'execut':66B 'exposur':69B 'fail':38B,116C 'failur':12A,142C 'fix':82C 'follow':75C 'gpio':3A,35B,80C,88C,94C 'held':54B 'infrastructur':25B 'input':97C 'kernel':2A,28B,32B,73C 'later':124C 'leak':6A,63B,85C 'leav':47B 'line':44B,95C 'linux':1A,27B,31B,72C 'linux-kernel':26B 'manag':52B 'never':56B,120C,134C 'output':46B,99C 'parent':107C 'path':143C 'persist':93C 'pm':9A,84C,103C 'power':51B 'power-manag':50B 'refer':10A,53B,104C,118C,138C 'regist':39B 'regmap':113C 'releas':57B 'resolv':79C 'resourc':62B 'runtim':8A,49B,83C,102C 'sinc':130C 'sourc':59B 'subsequ':112C 'switch':42B,91C 'updat':40B,114C,141C 'vulner':76C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-18T16:17:04+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-98529","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98529","severity":null,"published_at":"2026-10-18T16:17:04+00:00","modified_at":"2026-10-19T10:19:08+00:00","first_seen_at":"2026-10-23T21:57:15+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"}