{"id":"CVE-2026-98913","kind":"vulnerability","aliases":["CVE-2026-98913"],"related":[],"title":"Linux kernel: thunderx driver leaks a PTP device reference on probe failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: thunderx: fix PTP device ref leak in nicvf_probe()\n\ncavium_ptp_get() acquires a reference to the PTP PCI device\nthrough pci_get_device(). If any initialization step fails\nafter cavium_ptp_get(), the PTP PCI device reference is leaked.\nAdd a common error path to release the PTP reference before\nreturning from probe failures.","summary":"In the Linux kernel's ThunderX network driver, a failed probe after acquiring the PTP PCI device leaves that device reference held. The sources describe a reference leak and do not describe code execution or data exposure.","severity":"unknown","cvss":null,"epss":0.00209,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["arm64","infrastructure","kernel","linux","thunderx"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-23T12:18:25+00:00","first_seen_at":"2026-10-23T21:57:33+00:00","triaged_at":"2026-10-25T04:58:27+00:00","updated_at":"2026-10-25T12:38:50+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-10-25T04:58:27Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Linux kernel: thunderx driver leaks a PTP device reference on probe failure","impact":"low","summary":"In the Linux kernel's ThunderX network driver, a failed probe after acquiring the PTP PCI device leaves that device reference held. The sources describe a reference leak and do not describe code execution or data exposure.","category":"infrastructure","nicknames":[],"who_cares":["linux","kernel","arm64","thunderx"],"confidence":0.4,"needs_auth":"unknown","worst_case":"unknown; sources describe only a reference leak on probe failure","analyst_note":"Check the upstream kernel commit and NVD entry for CVSS, affected kernel version ranges, and whether the ThunderX NIC driver is in any supported distro kernel.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000516,"input_tokens":3359,"output_tokens":360,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-98913':15A,18A 'acquir':36B,84C 'add':112C 'arm64':19B 'cavium':81C,102C 'code':56B 'common':114C 'cve':13A,16A 'data':59B 'describ':48B,55B 'devic':8A,40B,43B,75C,91C,95C,108C 'driver':4A,31B 'error':115C 'execut':57B 'exposur':60B 'fail':33B,100C 'failur':12A,126C 'fix':73C 'follow':66C 'get':83C,94C,104C 'held':45B 'infrastructur':20B 'initi':98C 'kernel':2A,21B,27B,64C 'leak':5A,51B,77C,111C 'leav':41B 'linux':1A,22B,26B,63C 'net':71C 'network':30B 'nicvf':79C 'path':116C 'pci':39B,90C,93C,107C 'probe':11A,34B,80C,125C 'ptp':7A,38B,74C,82C,89C,103C,106C,120C 'ref':76C 'refer':9A,44B,50B,86C,109C,121C 'releas':118C 'resolv':70C 'return':123C 'sourc':47B 'step':99C 'thunderx':3A,23B,29B,72C 'vulner':67C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-23T12:18:25+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-98913","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98913","severity":null,"published_at":"2026-10-23T12:18:25+00:00","modified_at":"2026-10-23T12:18:25+00:00","first_seen_at":"2026-10-23T21:57:33+00:00","fetched_at":"2026-10-23T22:29:03+00:00","note":null},{"source":"epss","external_id":"CVE-2026-98913","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98913","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-25T12:38:50+00:00","fetched_at":"2026-10-25T12:38:50+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"}