CVE-2024-39831 AccessTokenManager has an use after free vulnerability
A local attacker with high privileges can execute arbitrary code in pre-installed apps via a use-after-free flaw in AccessTokenManager.
- 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-2024-39831?
CVE-2024-39831 is a medium-severity use after free vulnerability in Openatom Openharmony, published on 8 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
in OpenHarmony v4.1.0 allow a local attacker with high privileges arbitrary code execution in pre-installed apps through use after free.
Weakness: CWE-416
Which versions are affected by CVE-2024-39831?
It affects 1 product.
Products include Openatom Openharmony.
How do I fix CVE-2024-39831?
No fix has been published for CVE-2024-39831 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2024-39831 being exploited?
There is no known exploitation of CVE-2024-39831 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-pwq9-p8hh-8p6j.