{"id":"CVE-2026-56969","kind":"vulnerability","aliases":["CVE-2026-56969"],"related":[],"title":"Linux Edge TPU driver: use-after-free lets local user escalate privileges","description":"In edgetpu_group_clear_responses of edgetpu_group.c, there is a possible Use After Free due to a logic error in the code. This could lead to local escalation of privilege with execution privileges needed. User interaction is for exploitation.","summary":"A logic error in the Edge TPU group response handling (edgetpu_group.c) can cause a use-after-free. A local user who can run code can use it to escalate privileges.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["edge-tpu","infrastructure","kernel-driver","linux"],"not_affected_if":["no-edge-tpu-driver"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:17+00:00","first_seen_at":"2026-11-10T20:46:08+00:00","triaged_at":"2026-11-10T20:52:14+00:00","updated_at":"2026-11-10T20:52:14+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:52:14Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Linux Edge TPU driver: use-after-free lets local user escalate privileges","impact":"high","summary":"A logic error in the Edge TPU group response handling (edgetpu_group.c) can cause a use-after-free. A local user who can run code can use it to escalate privileges.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["linux","edge-tpu","kernel-driver"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"local user gains kernel-level privileges on the machine","analyst_note":"Check the kernel.org or Android security bulletin for affected versions and the fixed commit, and whether the edgetpu driver is shipped in mainline Linux.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["no-edge-tpu-driver"],"who_is_affected":"unknown","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000641,"input_tokens":4530,"output_tokens":375,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-56969':16A,19A 'caus':41B 'clear':63C 'code':53B,82C 'could':84C 'cve':14A,17A 'driver':4A,26B 'due':75C 'edg':2A,21B,33B 'edge-tpu':20B 'edgetpu':38B,61C,66C 'error':30B,79C 'escal':12A,58B,88C 'execut':92C 'exploit':99C 'free':8A,46B,74C 'group':35B,62C 'group.c':39B,67C 'handl':37B 'infrastructur':23B 'interact':96C 'kernel':25B 'kernel-driv':24B 'lead':85C 'let':9A 'linux':1A,27B 'local':10A,48B,87C 'logic':29B,78C 'need':94C 'possibl':71C 'privileg':13A,59B,90C,93C 'respons':36B,64C 'run':52B 'tpu':3A,22B,34B 'use':6A,44B,55B,72C 'use-after-fre':5A,43B 'user':11A,49B,95C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["edgetpu","infrastructure","kerneldriver","linux","unknown"],"campaign_type":null,"search_a":"'-2026':15A,18A '-56969':16A,19A 'cve':14A,17A 'driver':4A 'edg':2A 'escal':12A 'free':8A 'let':9A 'linux':1A 'local':10A 'privileg':13A 'tpu':3A 'use':6A 'use-after-fre':5A 'user':11A","search_b":"'caus':41B 'code':53B 'driver':26B 'edg':21B,33B 'edge-tpu':20B 'edgetpu':38B 'error':30B 'escal':58B 'free':46B 'group':35B 'group.c':39B 'handl':37B 'infrastructur':23B 'kernel':25B 'kernel-driv':24B 'linux':27B 'local':48B 'logic':29B 'privileg':59B 'respons':36B 'run':52B 'tpu':22B,34B 'use':44B,55B 'use-after-fre':43B 'user':49B","search_c":"'clear':63C 'code':82C 'could':84C 'due':75C 'edgetpu':61C,66C 'error':79C 'escal':88C 'execut':92C 'exploit':99C 'free':74C 'group':62C 'group.c':67C 'interact':96C 'lead':85C 'local':87C 'logic':78C 'need':94C 'possibl':71C 'privileg':90C,93C 'respons':64C 'use':72C 'user':95C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:17+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-56969","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56969","severity":null,"published_at":"2026-11-10T20:19:17+00:00","modified_at":"2026-11-10T20:19:17+00:00","first_seen_at":"2026-11-10T20:46:08+00:00","fetched_at":"2026-11-10T20:46:08+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"}