{"id":"CVE-2026-98435","kind":"vulnerability","aliases":["CVE-2026-98435"],"related":[],"title":"Linux kernel: EDAC Altera devres group anchored to wrong device","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/altera: Use parent device for devres in altr_portb_setup()\n\nAnchor the devres group and the devm-managed IRQ requests in altr_portb_setup()\nto the actual parent device (device->edac->dev) instead of the embedded struct\ndevice inside the copied per-port altr_edac_device_dev.\n\nThis keeps devres_open_group(), devm_request_irq(), devres_remove_group() and\ndevres_release_group() all referring to the same long-lived device so the\ngroup and the resources allocated inside it are torn down together.","summary":"In the Linux kernel's Altera EDAC driver, the devres group and managed IRQ requests in altr_portb_setup() were tied to a copied per-port embedded device instead of the real parent device, so the group and its resources could be torn down inconsistently. The sources describe this as a resource-lifetime fix and do not state what an attacker gains.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["altera","edac","infrastructure","linux-kernel"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-18T15:16:53+00:00","first_seen_at":"2026-10-23T21:57:15+00:00","triaged_at":"2026-10-25T05:27:37+00:00","updated_at":"2026-10-25T05:27:37+00:00","category":"infrastructure","confidence":0.3,"triage":{"at":"2026-10-25T05:27:37Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Linux kernel: EDAC Altera devres group anchored to wrong device","impact":"low","summary":"In the Linux kernel's Altera EDAC driver, the devres group and managed IRQ requests in altr_portb_setup() were tied to a copied per-port embedded device instead of the real parent device, so the group and its resources could be torn down inconsistently. The sources describe this as a resource-lifetime fix and do not state what an attacker gains.","category":"infrastructure","nicknames":[],"who_cares":["linux-kernel","edac","altera"],"confidence":0.3,"needs_auth":"unknown","worst_case":"unknown","analyst_note":"Check the NVD entry and the upstream kernel stable commit for the affected version ranges and whether the bug causes a crash, leak or memory corruption.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000529,"input_tokens":3410,"output_tokens":376,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-98435':13A,16A 'actual':124C 'alloc':176C 'altera':4A,17B,28B 'altr':39B,104C,119C,142C 'anchor':7A,107C 'attack':85B 'copi':46B,138C 'could':64B 'cve':11A,14A 'describ':71B 'dev':129C,145C 'devic':10A,51B,57B,100C,126C,127C,135C,144C,169C 'devm':114C,151C 'devm-manag':113C 'devr':5A,32B,102C,109C,148C,154C,158C 'driver':30B 'edac':3A,18B,29B,128C,143C 'edac/altera':97C 'embed':50B,133C 'fix':78B 'follow':92C 'gain':86B 'group':6A,33B,60B,110C,150C,156C,160C,172C 'inconsist':68B 'infrastructur':19B 'insid':136C,177C 'instead':52B,130C 'irq':36B,116C,153C 'keep':147C 'kernel':2A,22B,26B,90C 'lifetim':77B 'linux':1A,21B,25B,89C 'linux-kernel':20B 'live':168C 'long':167C 'long-liv':166C 'manag':35B,115C 'open':149C 'parent':56B,99C,125C 'per':48B,140C 'per-port':47B,139C 'port':49B,141C 'portb':40B,105C,120C 'real':55B 'refer':162C 'releas':159C 'remov':155C 'request':37B,117C,152C 'resolv':96C 'resourc':63B,76B,175C 'resource-lifetim':75B 'setup':41B,106C,121C 'sourc':70B 'state':82B 'struct':134C 'tie':43B 'togeth':182C 'torn':66B,180C 'use':98C 'vulner':93C 'wrong':9A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-18T15:16:53+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-98435","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98435","severity":null,"published_at":"2026-10-18T15:16:53+00:00","modified_at":"2026-10-19T10:18:51+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"}