Answer in brief
CVE-2025-38009 records a Medium severity (CVSS 5.5) vulnerability in wifi: mt76: disable napi on driver removal. 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.
CVSS is 5.5. 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.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=2ac515a5d74f26963362d5da9589c67ca3663338 <ff0f820fa5b99035b3c654dd531226d8d83aec5f || >=2ac515a5d74f26963362d5da9589c67ca3663338 <ca5b213bf4b4224335a8131a26805d16503fca5f || >=2ac515a5d74f26963362d5da9589c67ca3663338 <b892e830d1ea8c5475254b98827771f7366f1039 || >=2ac515a5d74f26963362d5da9589c67ca3663338 <5e700b06b970fc19e3a1ecb244e14785f3fbb8e3 || >=2ac515a5d74f26963362d5da9589c67ca3663338 <2b81e76db3667d1f7f2ad44e9835cdaf8dea95a8 || >=2ac515a5d74f26963362d5da9589c67ca3663338 <e7bfbda5fddd27f3158e723d641c0fcdfb0552a7 || >=2ac515a5d74f26963362d5da9589c67ca3663338 <78ab4be549533432d97ea8989d2f00b508fa68d8 | ff0f820fa5b99035b3c654dd531226d8d83aec5f, ca5b213bf4b4224335a8131a26805d16503fca5f, b892e830d1ea8c5475254b98827771f7366f1039, 5e700b06b970fc19e3a1ecb244e14785f3fbb8e3, 2b81e76db3667d1f7f2ad44e9835cdaf8dea95a8, e7bfbda5fddd27f3158e723d641c0fcdfb0552a7, 78ab4be549533432d97ea8989d2f00b508fa68d8 |
| Linux/Linuxgeneric | 5.2 | Not reported |
Published upstream
Jun 18, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: disable napi on driver removal A warning on driver removal started occurring after commit 9dd05df8403b ("net: warn if NAPI instance wasn't shut down"). Disable tx napi before deleting it in mt76_dma_cleanup(). WARNING: CPU: 4 PID: 18828 at net/core/dev.c:7288 __netif_napi_del_locked+0xf0/0x100 CPU: 4 UID: 0 PID: 18828 Comm: modprobe Not tainted 6.15.0-rc4 #4 PREEMPT(lazy) Hardware name: ASUS System Product Name/PRIME X670E-PRO WIFI, BIOS 3035 09/05/2024 RIP: 0010:__netif_napi_del_locked+0xf0/0x100 Call Trace: <TASK> mt76_dma_cleanup+0x54/0x2f0 [mt76] mt7921_pci_remove+0xd5/0x190 [mt7921e] pci_device_remove+0x47/0xc0 device_release_driver_internal+0x19e/0x200 driver_detach+0x48/0x90 bus_remove_driver+0x6d/0xf0 pci_unregister_driver+0x2e/0xb0 __do_sys_delete_module.isra.0+0x197/0x2e0 do_syscall_64+0x7b/0x160 entry_SYSCALL_64_after_hwframe+0x76/0x7e Tested with mt7921e but the same pattern can be actually applied to other mt76 drivers calling mt76_dma_cleanup() during removal. Tx napi is enabled in their *_dma_init() functions and only toggled off and on again inside their suspend/resume/reset paths. So it should be okay to disable tx napi in such a generic way. Found by Linux Verification Center (linuxtesting.org).
Quoted source text, attributed separately from HOL analysis.