net: hns3: don't auto enable misc vector

Answer in brief

CVE-2025-21651 records a Unknown severity vulnerability in net: hns3: don't auto enable misc vector. 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.

Published Jan 19, 2025Updated Sep 14, 2026Source checked Sep 14, 2026First seen by HOL Sep 14, 2026Material review Sep 14, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

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.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=7be1b9f3e99f6213d053d16ed2438126931d8351 <800a6dfcf570c4a7e168a6fe515904de56e97148 \|\| >=7be1b9f3e99f6213d053d16ed2438126931d8351 <ee2861fce5f66c6901a014f68598e94666b23455 \|\| >=7be1b9f3e99f6213d053d16ed2438126931d8351 <41b84c5a603ffe987ec094e163d7da73aaf1841d \|\| >=7be1b9f3e99f6213d053d16ed2438126931d8351 <7f1fe43907a6339a41364f4f7915fbf3ab2775a8 \|\| >=7be1b9f3e99f6213d053d16ed2438126931d8351 <bcf430d3bb5525fc89a92a0c451c725ba1aa4306 \|\| >=7be1b9f3e99f6213d053d16ed2438126931d8351 <98b1e3b27734139c76295754b6c317aa4df6d32e	800a6dfcf570c4a7e168a6fe515904de56e97148, ee2861fce5f66c6901a014f68598e94666b23455, 41b84c5a603ffe987ec094e163d7da73aaf1841d, 7f1fe43907a6339a41364f4f7915fbf3ab2775a8, bcf430d3bb5525fc89a92a0c451c725ba1aa4306, 98b1e3b27734139c76295754b6c317aa4df6d32e
Linux/Linuxgeneric	5.4	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 800a6dfcf570c4a7e168a6fe515904de56e97148 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Jan 19, 2025
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 14, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net: hns3: don't auto enable misc vector Currently, there is a time window between misc irq enabled and service task inited. If an interrupte is reported at this time, it will cause warning like below: [ 16.324639] Call trace: [ 16.324641] __queue_delayed_work+0xb8/0xe0 [ 16.324643] mod_delayed_work_on+0x78/0xd0 [ 16.324655] hclge_errhand_task_schedule+0x58/0x90 [hclge] [ 16.324662] hclge_misc_irq_handle+0x168/0x240 [hclge] [ 16.324666] __handle_irq_event_percpu+0x64/0x1e0 [ 16.324667] handle_irq_event+0x80/0x170 [ 16.324670] handle_fasteoi_edge_irq+0x110/0x2bc [ 16.324671] __handle_domain_irq+0x84/0xfc [ 16.324673] gic_handle_irq+0x88/0x2c0 [ 16.324674] el1_irq+0xb8/0x140 [ 16.324677] arch_cpu_idle+0x18/0x40 [ 16.324679] default_idle_call+0x5c/0x1bc [ 16.324682] cpuidle_idle_call+0x18c/0x1c4 [ 16.324684] do_idle+0x174/0x17c [ 16.324685] cpu_startup_entry+0x30/0x6c [ 16.324687] secondary_start_kernel+0x1a4/0x280 [ 16.324688] ---[ end trace 6aa0bff672a964aa ]--- So don't auto enable misc vector when request irq..

Quoted source text, attributed separately from HOL analysis.