CVE-2022-43662 Kernel subsystem in kernel_liteos_a has a kernel stack overflow vulnerability when call SysTimerGettime.
A kernel stack overflow in OpenHarmony's SysTimerGettime leaks 4 bytes of kernel stack data to user space, exposing sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-43662?
CVE-2022-43662 is a medium-severity vulnerability in Openatom Openharmony, published on 9 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Kernel subsystem within OpenHarmony-v3.1.4 and prior versions in kernel_liteos_a has a kernel stack overflow vulnerability when call SysTimerGettime. 4 bytes padding data from kernel stack are copied to user space incorrectly and leaked.
Which versions are affected by CVE-2022-43662?
It affects 2 products.
Products include Openatom Openharmony, Openharmony Openharmony.
How do I fix CVE-2022-43662?
No fix has been published for CVE-2022-43662 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-43662 being exploited?
There is no known exploitation of CVE-2022-43662 in the wild and no public exploit code.
Other vulnerabilities in Openatom Openharmony
- CVE-2025-0303 Liteos_a has a buffer overflow vulnerability
- CVE-2025-0304 Liteos_a has an use after free vulnerability
- CVE-2024-47398 Liteos_a has an out-of-bounds write vulnerability
- CVE-2024-10074 Liteos_a has an use after free vulnerability
- CVE-2024-41157 Liteos-A has an use after free vulnerability
Sources
Also known as GHSA-jgg6-4c26-32v5.