CVE-2021-39977: Null Pointer Dereference
The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-39977?
CVE-2021-39977 is classified as a critical severity vulnerability due to its potential to cause system process restarts.
How do I fix CVE-2021-39977?
To fix CVE-2021-39977, upgrade your HarmonyOS to version 2.0 or later to mitigate the NULL Pointer Dereference vulnerability.
What systems are affected by CVE-2021-39977?
CVE-2021-39977 affects HarmonyOS versions prior to 2.0, specifically in the HwNearbyMain module.
What are the consequences of exploiting CVE-2021-39977?
Exploitation of CVE-2021-39977 may lead to a process restart, potentially disrupting services and affecting system stability.
Is there a workaround for CVE-2021-39977?
Currently, the best approach to mitigate CVE-2021-39977 is to apply the latest software update for HarmonyOS, as no specific workarounds have been documented.