CVE-2021-36987 Race condition in EMUI
A race condition in Huawei mobile operating systems allows attackers to trigger a system restart via double-free errors in linked list nodes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-36987?
CVE-2021-36987 is a medium-severity vulnerability in Huawei Emui, published on 28 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a issue that nodes in the linked list being freed for multiple times in Huawei Smartphone due to race conditions. Successful exploitation of this vulnerability can cause the system to restart.
Weakness: CWE-362
Which versions are affected by CVE-2021-36987?
It affects 2 products.
Products include Huawei Emui, Huawei Magic Ui.
How do I fix CVE-2021-36987?
No fix has been published for CVE-2021-36987 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-36987 being exploited?
There is no known exploitation of CVE-2021-36987 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-63vv-3cc5-2287.