CVE-2026-43110

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Source
https://cve.org/CVERecord?id=CVE-2026-43110
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43110.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-43110
Downstream
Related
Published
2026-05-06T07:40:37.250Z
Modified
2026-06-18T03:57:03.939519212Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
wifi: brcmfmac: validate bsscfg indices in IF events
Details

In the Linux kernel, the following vulnerability has been resolved:

wifi: brcmfmac: validate bsscfg indices in IF events

brcmffwehhandleifevent() 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]

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43110.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2880b86859967af710c72f7d34fb421a86a71e22
Fixed
b329fbcf075949a038045d8e9b86ae3d5bbd8a54
Fixed
2ae3ccb78c0a9ef5ee3d80d02ab319ac1d5af734
Fixed
9c81bcc2c695e0082012a2a3d36a0eefaa51579c
Fixed
3ec7437e9d11374105c2c4e47ae671537729d7e6
Fixed
9fca68c2512a362cad258e4df12a307bb2ee4b8e
Fixed
1ae1e1caa428844e481231f6dbe9b4f475f1d52d
Fixed
b427c2b05222db36d32ee141609de6128e9091bb
Fixed
304950a467d83678bd0b0f46331882e2ac23b12d

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43110.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
3.9.0
Fixed
5.10.258
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.209
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.175
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.136
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.83
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.24
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
6.19.14

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43110.json"