CVE-2026-43110HIGH 8.8EPSS p15.4%

CVE-2026-43110CVE-2026-43110

linux / linux_kernel

Description

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]

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.24% probability of exploitation · percentile 15.4% · 2026-06-18T12:00:27Z
Published2026-05-06
Last modified2026-06-01

References

  1. https://git.kernel.org/stable/c/1ae1e1caa428844e481231f6dbe9b4f475f1d52d
  2. https://git.kernel.org/stable/c/304950a467d83678bd0b0f46331882e2ac23b12d
  3. https://git.kernel.org/stable/c/3ec7437e9d11374105c2c4e47ae671537729d7e6
  4. https://git.kernel.org/stable/c/9fca68c2512a362cad258e4df12a307bb2ee4b8e
  5. https://git.kernel.org/stable/c/b427c2b05222db36d32ee141609de6128e9091bb

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