{"id":"CVE-2026-98746","kind":"vulnerability","aliases":["CVE-2026-98746"],"related":[],"title":"Linux kernel: ma35d1 serial driver leaks a clock reference on probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: ma35d1: Fix clock reference leak in ma35d1serial_probe()\n\nof_clk_get() returns a clock with a reference that has to be released\nwith clk_put(). ma35d1serial_probe() never does that, so the reference\nis leaked on the probe error paths and also when the port is removed.\n\nRelease it on the error paths and in ma35d1serial_remove().","summary":"The Nuvoton MA35D1 serial driver in the Linux kernel never releases a clock reference it acquires during probe, so the reference leaks on probe error paths and on port removal. The sources describe a resource leak, not code execution or data exposure.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","linux-kernel","ma35d1"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-18T16:17:28+00:00","first_seen_at":"2026-10-23T21:57:16+00:00","triaged_at":"2026-10-25T05:16:59+00:00","updated_at":"2026-10-25T05:16:59+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-25T05:16:59Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Linux kernel: ma35d1 serial driver leaks a clock reference on probe","impact":"low","summary":"The Nuvoton MA35D1 serial driver in the Linux kernel never releases a clock reference it acquires during probe, so the reference leaks on probe error paths and on port removal. The sources describe a resource leak, not code execution or data exposure.","category":"infrastructure","nicknames":[],"who_cares":["linux-kernel","ma35d1"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Kernel clock reference leaks; repeated probe failures can exhaust resources","analyst_note":"","how_to_check":"unknown","needs_analyst":false,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000496,"input_tokens":3359,"output_tokens":320,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-98746':14A,17A 'acquir':38B 'also':117C 'clk':85C,99C 'clock':8A,35B,78C,89C 'code':60B 'cve':12A,15A 'data':63B 'describ':55B 'driver':5A,27B 'error':47B,114C,127C 'execut':61B 'exposur':64B 'fix':77C 'follow':70C 'get':86C 'infrastructur':18B 'kernel':2A,21B,31B,68C 'leak':6A,44B,58B,80C,110C 'linux':1A,20B,30B,67C 'linux-kernel':19B 'ma35d1':3A,22B,25B,76C 'ma35d1serial':82C,101C,131C 'never':32B,103C 'nuvoton':24B 'path':48B,115C,128C 'port':51B,120C 'probe':11A,40B,46B,83C,102C,113C 'put':100C 'refer':9A,36B,43B,79C,92C,108C 'releas':33B,97C,123C 'remov':52B,122C,132C 'resolv':74C 'resourc':57B 'return':87C 'serial':4A,26B,75C 'sourc':54B 'vulner':71C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-18T16:17:28+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-98746","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98746","severity":null,"published_at":"2026-10-18T16:17:28+00:00","modified_at":"2026-10-21T13:21:42+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"}