CVE-2022-42464 Privilege escalation in OpenHarmony
An attacker can exploit a kernel memory pool override to gain root privileges, execute code, or cause a device reboot.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-42464?
CVE-2022-42464 is a medium-severity vulnerability in OpenHarmony, published on 14 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OpenHarmony-v3.1.2 and prior versions, 3.0.6 and prior versions have a Kernel memory pool override vulnerability in /dev/mmz_userdev device driver. The impact depends on the privileges of the attacker. The unprivileged process run on the device could disclose sensitive information including kernel pointer, which could be used in further attacks. The processes with system user UID run on the device would be able to mmap memory pools used by kernel and override them which could be used to gain kernel code execution on the device, gain root privileges, or cause device reboot.
Weakness: CWE-276
Which versions are affected by CVE-2022-42464?
It affects 1 product.
Products include Openharmony Openharmony.
How do I fix CVE-2022-42464?
No fix has been published for CVE-2022-42464 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-42464 being exploited?
There is no known exploitation of CVE-2022-42464 in the wild and no public exploit code.
Other vulnerabilities in OpenHarmony
Sources
Also known as GHSA-26fr-8fj2-mr2r.