CVE-2018-5821 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Reference

https://source.android.com/security/bulletin/pixel/2018-04-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

7.3