bnxt_en: Fix error handling path in bnxt_init_chip()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-37895
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-05-20 16:15:25 UTC
Updated2026-11-05 21:17:57 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f697217f980ffc796c72c34dbf7d59a6b1996888 e039b00ddbfeaa0dc59b8659be114f1a1b37c5bf git Not specified
CNA Linux Linux affected 40452969a50652e3cbf89dac83d54eebf2206d27 21116727f452474502ee74f956d5e7466103e19b git Not specified
CNA Linux Linux affected 40452969a50652e3cbf89dac83d54eebf2206d27 9ab7a709c926c16b4433cf02d04fcbcf35aaab2b git Not specified
CNA Linux Linux affected 6.12.10 6.12.28 semver Not specified
CNA Linux Linux affected 6.13 Not specified
CNA Linux Linux unaffected 6.13 semver Not specified
CNA Linux Linux unaffected 6.12.28 6.12.* semver Not specified
CNA Linux Linux unaffected 6.14.6 6.14.* semver Not specified
CNA Linux Linux unaffected 6.15 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/9ab7a709c926c16b4433cf02d04fcbcf35aaab2b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/e039b00ddbfeaa0dc59b8659be114f1a1b37c5bf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/21116727f452474502ee74f956d5e7466103e19b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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