CVE-2018-5821

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.

Category

7.3
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.10%
Vendor Advisory android.com
Affected: Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android
Published at:
Updated at:

References

Link Tags
https://source.android.com/security/bulletin/pixel/2018-04-01 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-5821?
CVE-2018-5821 has been scored as a high severity vulnerability.
How to fix CVE-2018-5821?
To fix CVE-2018-5821, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5821 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5821 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5821?
CVE-2018-5821 affects Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android.
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