fkie_cve-2025-37895
Vulnerability from fkie_nvd
Published
2025-05-20 16:15
Modified
2025-11-18 13:42
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
bnxt_en: Fix error handling path in bnxt_init_chip()
WARN_ON() is triggered in __flush_work() if bnxt_init_chip() fails
because we call cancel_work_sync() on dim work that has not been
initialized.
WARNING: CPU: 37 PID: 5223 at kernel/workqueue.c:4201 __flush_work.isra.0+0x212/0x230
The driver relies on the BNXT_STATE_NAPI_DISABLED bit to check if dim
work has already been cancelled. But in the bnxt_open() path,
BNXT_STATE_NAPI_DISABLED is not set and this causes the error
path to think that it needs to cancel the uninitalized dim work.
Fix it by setting BNXT_STATE_NAPI_DISABLED during initialization.
The bit will be cleared when we enable NAPI and initialize dim work.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | 6.13 | |
| linux | linux_kernel | 6.13 | |
| linux | linux_kernel | 6.15 | |
| linux | linux_kernel | 6.15 | |
| linux | linux_kernel | 6.15 | |
| linux | linux_kernel | 6.15 |
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"descriptions": [
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_en: Fix error handling path in bnxt_init_chip()\n\nWARN_ON() is triggered in __flush_work() if bnxt_init_chip() fails\nbecause we call cancel_work_sync() on dim work that has not been\ninitialized.\n\nWARNING: CPU: 37 PID: 5223 at kernel/workqueue.c:4201 __flush_work.isra.0+0x212/0x230\n\nThe driver relies on the BNXT_STATE_NAPI_DISABLED bit to check if dim\nwork has already been cancelled. But in the bnxt_open() path,\nBNXT_STATE_NAPI_DISABLED is not set and this causes the error\npath to think that it needs to cancel the uninitalized dim work.\nFix it by setting BNXT_STATE_NAPI_DISABLED during initialization.\nThe bit will be cleared when we enable NAPI and initialize dim work."
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"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bnxt_en: Corregir la ruta de manejo de errores en bnxt_init_chip() WARN_ON() se activa en __flush_work() si bnxt_init_chip() falla porque llamamos a cancel_work_sync() en el trabajo de atenuaci\u00f3n que no se ha inicializado. ADVERTENCIA: CPU: 37 PID: 5223 en kernel/workqueue.c:4201 __flush_work.isra.0+0x212/0x230 El controlador se basa en el bit BNXT_STATE_NAPI_DISABLED para comprobar si el trabajo de atenuaci\u00f3n ya se ha cancelado. Pero en la ruta bnxt_open(), BNXT_STATE_NAPI_DISABLED no est\u00e1 configurado y esto hace que la ruta de error piense que necesita cancelar el trabajo de atenuaci\u00f3n no inicializado. Corr\u00edjalo configurando BNXT_STATE_NAPI_DISABLED durante la inicializaci\u00f3n. El bit se borrar\u00e1 cuando habilitemos NAPI e inicialicemos el trabajo de atenuaci\u00f3n."
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"id": "CVE-2025-37895",
"lastModified": "2025-11-18T13:42:21.587",
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"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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