CVE-2021-22296 Denial of service in HarmonyOS
Local attackers can mount a file system to cause a denial of service in HarmonyOS, requiring OS updates to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22296?
CVE-2021-22296 is a medium-severity denial of service vulnerability in Huawei Harmonyos, published on 2 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A component of HarmonyOS 2.0 has a DoS vulnerability. Local attackers may exploit this vulnerability to mount a file system to the target device, causing DoS of the file system.
Which versions are affected by CVE-2021-22296?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-22296?
No fix has been published for CVE-2021-22296 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-22296 being exploited?
There is no known exploitation of CVE-2021-22296 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-p8hp-fv7f-7946.