Answer in brief
CVE-2026-80647 records a Unknown severity vulnerability in RDMA/hns: Fix warning in poll cq direct mode. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=f295e4cece5cb4c60715fed539abcd62468f9ef1 <95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f || >=f295e4cece5cb4c60715fed539abcd62468f9ef1 <e7d363c0ffa836ac1d89657686cad241392c5eb2 || >=f295e4cece5cb4c60715fed539abcd62468f9ef1 <c028c1977b6e61eee26bb69332453efb6513f83b || >=f295e4cece5cb4c60715fed539abcd62468f9ef1 <a075a7acd155ffdd058e72eb3f4cce1207ebafa1 || >=f295e4cece5cb4c60715fed539abcd62468f9ef1 <9f05319149c14acedb83e2c2842ec4b38992ad9f || >=f295e4cece5cb4c60715fed539abcd62468f9ef1 <16138ea9833d6bb1bed37a3321f282242704bf02 || >=f295e4cece5cb4c60715fed539abcd62468f9ef1 <1e56f8886d64288cf88d80af44c7b9148aeaa98b || >=f295e4cece5cb4c60715fed539abcd62468f9ef1 <3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a | 95b2e44bc1e5c5d93bb58e178d914dd99a3baa6f, e7d363c0ffa836ac1d89657686cad241392c5eb2, c028c1977b6e61eee26bb69332453efb6513f83b, a075a7acd155ffdd058e72eb3f4cce1207ebafa1, 9f05319149c14acedb83e2c2842ec4b38992ad9f, 16138ea9833d6bb1bed37a3321f282242704bf02, 1e56f8886d64288cf88d80af44c7b9148aeaa98b, 3f19c2a3852e6ba75f3e92dd5edc4e07f3d07f4a |
| Linux/Linuxgeneric | 5.5 | Not reported |
Published upstream
Aug 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 28, 2026
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. Though in direct mode this handler is never expected to be called, it is still called when the driver is reset, triggering the following WARN_ONCE(): Call trace: ib_cq_completion_direct+0x38/0x60 hns_roce_cq_completion+0x54/0x90 (hns_roce_hw_v2] hns_roce_handle_device_err+Ox1c8/0x340 [hns_roce_hw_v2] hns_roce_hw_v2_uninit_instance.constprop.0+0x34/0x70 [hns_roce_hw_v2] hns_roce_hw_v2_reset_notify+0xc4/0xe0 [hns_roce_hw_v2] hclge_notify_roce_client+0x60/0xbc [hclge] hclge_reset_rebuild+0x48/0x34c [hclge] hclge_reset_subtask+0xcc/0xec [hclge] hclge_reset_service_task+0x80/0x160 [hclge] hclge_service_task+0x50/0x80 (hclge] process_one_work+0x1cc/0x4d0 worker_thread+0x154/0x414 kthread+0x104/0x144 ret_from_fork+0x10/0x18
Quoted source text, attributed separately from HOL analysis.