{"id":"CVE-2026-80647","summary":"RDMA/hns: Fix warning in poll cq direct mode","details":"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","modified":"2026-08-30T03:48:20.944547326Z","published":"2026-08-28T06:48:56.879Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80647.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/16138ea9833d6bb1bed37a3321f282242704bf02"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1e56f8886d64288cf88d80af44c7b9148aeaa98b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9f05319149c14acedb83e2c2842ec4b38992ad9f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a075a7acd155ffdd058e72eb3f4cce1207ebafa1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c028c1977b6e61eee26bb69332453efb6513f83b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e7d363c0ffa836ac1d89657686cad241392c5eb2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80647.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80647"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f295e4cece5cb4c60715fed539abcd62468f9ef1"},{"fixed":"95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f"},{"fixed":"e7d363c0ffa836ac1d89657686cad241392c5eb2"},{"fixed":"c028c1977b6e61eee26bb69332453efb6513f83b"},{"fixed":"a075a7acd155ffdd058e72eb3f4cce1207ebafa1"},{"fixed":"9f05319149c14acedb83e2c2842ec4b38992ad9f"},{"fixed":"16138ea9833d6bb1bed37a3321f282242704bf02"},{"fixed":"1e56f8886d64288cf88d80af44c7b9148aeaa98b"},{"fixed":"3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80647.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.261"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80647.json"}}],"schema_version":"1.9.0"}