CVE-2018-5843: Google Android

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In the function wma_pdev_div_info_evt_handler() in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel, there is no upper bound check on the value event->num_chains_valid received from firmware which can lead to a buffer overwrite of the fixed size chain_rssi_result structure.

Affected products

• Google Android: affected versions not specified

Published 2018-06-12. Last modified 2026-06-17.