{"id":"CVE-2026-59598","kind":"vulnerability","aliases":["CVE-2026-59598"],"related":[],"title":"Linux kernel Edge TPU driver: use-after-free allows local privilege escalation","description":"In platform_rio_ncp_wdt_handler of edgetpu_rio.c, there is a possible Use After Free due to a use after free. This could lead to local escalation of privilege with execution privileges needed. User interaction is for exploitation.","summary":"A use-after-free in the Edge TPU driver's watchdog handler (platform_rio_ncp_wdt_handler in edgetpu_rio.c) can be triggered on the device. The description says it can lead to local privilege escalation, which requires execution privileges on the machine.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["edge-tpu","infrastructure","linux-kernel","local-users"],"not_affected_if":["no-edgetpu-hardware"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:30+00:00","first_seen_at":"2026-11-10T20:46:13+00:00","triaged_at":"2026-11-10T20:49:51+00:00","updated_at":"2026-11-10T20:49:51+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:49:51Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Linux kernel Edge TPU driver: use-after-free allows local privilege escalation","impact":"high","summary":"A use-after-free in the Edge TPU driver's watchdog handler (platform_rio_ncp_wdt_handler in edgetpu_rio.c) can be triggered on the device. The description says it can lead to local privilege escalation, which requires execution privileges on the machine.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["linux-kernel","edge-tpu","local-users"],"confidence":0.5,"fix_status":"unknown","needs_auth":"yes","worst_case":"local user escalates privileges to root on the machine","analyst_note":"Find the affected kernel version ranges and the fixing commit from the NVD entry or the kernel CVE feed; the sources given state neither.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-edgetpu-hardware"],"who_is_affected":"Systems running the Edge TPU kernel driver (Coral-style Edge TPU hardware on Linux or Android devices) are the ones to look at. The sources do not name affected kernel versions or say whether a default configuration loads this driver. Machines without Edge TPU hardware or driver are not affected.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.00071,"input_tokens":4532,"output_tokens":514,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-59598':16A,19A 'allow':10A 'could':97C 'cve':14A,17A 'descript':58B 'devic':56B 'driver':5A,39B 'due':90C 'edg':3A,21B,37B 'edge-tpu':20B 'edgetpu':49B,81C 'escal':13A,66B,101C 'execut':69B,105C 'exploit':112C 'free':9A,34B,89C,95C 'handler':42B,47B,79C 'infrastructur':23B 'interact':109C 'kernel':2A,26B 'lead':62B,98C 'linux':1A,25B 'linux-kernel':24B 'local':11A,28B,64B,100C 'local-us':27B 'machin':73B 'ncp':45B,77C 'need':107C 'platform':43B,75C 'possibl':86C 'privileg':12A,65B,70B,103C,106C 'requir':68B 'rio':44B,76C 'rio.c':50B,82C 'say':59B 'tpu':4A,22B,38B 'trigger':53B 'use':7A,32B,87C,93C 'use-after-fre':6A,31B 'user':29B,108C 'watchdog':41B 'wdt':46B,78C","nicknames":[],"mitigations":[],"who_affected":"Systems running the Edge TPU kernel driver (Coral-style Edge TPU hardware on Linux or Android devices) are the ones to look at. The sources do not name affected kernel versions or say whether a default configuration loads this driver. Machines without Edge TPU hardware or driver are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["edgetpu","infrastructure","linuxkernel","localusers","unknown"],"campaign_type":null,"search_a":"'-2026':15A,18A '-59598':16A,19A 'allow':10A 'cve':14A,17A 'driver':5A 'edg':3A 'escal':13A 'free':9A 'kernel':2A 'linux':1A 'local':11A 'privileg':12A 'tpu':4A 'use':7A 'use-after-fre':6A","search_b":"'descript':58B 'devic':56B 'driver':39B 'edg':21B,37B 'edge-tpu':20B 'edgetpu':49B 'escal':66B 'execut':69B 'free':34B 'handler':42B,47B 'infrastructur':23B 'kernel':26B 'lead':62B 'linux':25B 'linux-kernel':24B 'local':28B,64B 'local-us':27B 'machin':73B 'ncp':45B 'platform':43B 'privileg':65B,70B 'requir':68B 'rio':44B 'rio.c':50B 'say':59B 'tpu':22B,38B 'trigger':53B 'use':32B 'use-after-fre':31B 'user':29B 'watchdog':41B 'wdt':46B","search_c":"'could':97C 'due':90C 'edgetpu':81C 'escal':101C 'execut':105C 'exploit':112C 'free':89C,95C 'handler':79C 'interact':109C 'lead':98C 'local':100C 'ncp':77C 'need':107C 'platform':75C 'possibl':86C 'privileg':103C,106C 'rio':76C 'rio.c':82C 'use':87C,93C 'user':108C 'wdt':78C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:30+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-59598","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59598","severity":null,"published_at":"2026-11-10T20:19:30+00:00","modified_at":"2026-11-10T20:19:30+00:00","first_seen_at":"2026-11-10T20:46:13+00:00","fetched_at":"2026-11-10T20:46:13+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"}