CVE-2021-40017

Description

The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory huawei.com Vendor Advisory harmonyos.com
Affected: n/a HarmonyOS;EMUI
Published at:
Updated at:

References

Link Tags
https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845 vendor advisory
https://consumer.huawei.com/en/support/bulletin/2022/10/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-40017?
CVE-2021-40017 has been scored as a critical severity vulnerability.
How to fix CVE-2021-40017?
To fix CVE-2021-40017, 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-2021-40017 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-40017 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-2021-40017?
CVE-2021-40017 affects n/a HarmonyOS;EMUI.
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