CVE-2018-5821: Google Android

High severity, CVSS 7.3. EPSS: 0.3% chance of exploitation in the next 30 days.

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, in function wma_wow_wakeup_host_event(), wake_info->vdev_id is received from FW and is used directly as array index to access wma->interfaces whose max index should be (max_bssid-1). If wake_info->vdev_id is greater than or equal to max_bssid, an out-of-bounds read occurs.

Affected products

• Google Android: affected versions not specified

Published 2018-04-03. Last modified 2026-06-17.