{"id":"CVE-2026-80647","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-80647","generatedAt":"2026-10-28T02:19:51.150Z","title":"In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix warning in poll cq direct mode CQs allocated by ib_alloc_cq() always have a comp_handler.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix warning in poll cq direct mode\n\nCQs allocated by ib_alloc_cq() always have a comp_handler. Though\nin direct mode this handler is never expected to be called, it\nis still called when the driver is reset, triggering the following\nWARN_ONCE():\n\nCall trace:\nib_cq_completion_direct+0x38/0x60\nhns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2]\nhns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2]\nhns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2]\nhns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2]\nhclge_notify_roce_client+0x60/0xbc [hclge]\nhclge_reset_rebuild+0x48/0x34c [hclge]\nhclge_reset_subtask+0xcc/0xec [hclge]\nhclge_reset_service_task+0x80/0x160 [hclge]\nhclge_service_task+0x50/0x80 (hclge]\nprocess_one_work+0x1cc/0x4d0\nworker_thread+0x154/0x414\nkthread+0x104/0x144\nret_from_fork+0x10/0x18","published":"2026-08-28T08:16:50.000Z","lastModified":"2026-08-28T08:16:50.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":null,"cwe":[],"affected":[],"epss":{"score":0.0022,"percentile":0.12373,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"unknown","text":"Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/16138ea9833d6bb1bed37a3321f282242704bf02","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1e56f8886d64288cf88d80af44c7b9148aeaa98b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9f05319149c14acedb83e2c2842ec4b38992ad9f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a075a7acd155ffdd058e72eb3f4cce1207ebafa1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c028c1977b6e61eee26bb69332453efb6513f83b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e7d363c0ffa836ac1d89657686cad241392c5eb2","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80647","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}