CVE-2026-43110

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: validate bsscfg indices in IF events brcmf_fweh_handle_if_event() validates the firmware-provided interface index before it touches drvr->iflist[], but it still uses the raw bsscfgidx field as an array index without a matching range check. Reject IF events whose bsscfg index does not fit in drvr->iflist[] before indexing the interface array. [add missing wifi prefix]

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1ae1e1caa428844e481231f6dbe9b4f475f1d52d	Patch
https://git.kernel.org/stable/c/2ae3ccb78c0a9ef5ee3d80d02ab319ac1d5af734
https://git.kernel.org/stable/c/304950a467d83678bd0b0f46331882e2ac23b12d	Patch
https://git.kernel.org/stable/c/3ec7437e9d11374105c2c4e47ae671537729d7e6	Patch
https://git.kernel.org/stable/c/9c81bcc2c695e0082012a2a3d36a0eefaa51579c
https://git.kernel.org/stable/c/9fca68c2512a362cad258e4df12a307bb2ee4b8e	Patch
https://git.kernel.org/stable/c/b329fbcf075949a038045d8e9b86ae3d5bbd8a54
https://git.kernel.org/stable/c/b427c2b05222db36d32ee141609de6128e9091bb	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc4::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc5::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc6::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc7::::::

History

No history.

Information

Published : 2026-05-06 10:16

Updated : 2026-06-17 10:48

NVD link : CVE-2026-43110

Mitre link : CVE-2026-43110

CVE.ORG link : CVE-2026-43110

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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interface\nindex before it touches drvr->iflist[], but it still uses the raw\nbsscfgidx field as an array index without a matching range check.\n\nReject IF events whose bsscfg index does not fit in drvr->iflist[]\nbefore indexing the interface array.\n\n[add missing wifi prefix]"}], "lastModified": "2026-06-17T10:48:57.243", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE6532FC-CF36-43FE-8110-CCB1D829038D", "versionEndExcluding": "6.6.136", "versionStartIncluding": "3.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F0AE5B5-23AC-4DCC-B37A-51CA1DAE7BA8", "versionEndExcluding": "6.12.83", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8126B8B8-6D0B-4443-86C1-672AEE893555", "versionEndExcluding": "6.18.24", 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