CVE-2021-25339 Memory corruption in Samsung Mobile Devices
Attackers with compromised kernel access can corrupt EL2 memory in Samsung mobile devices, potentially escalating privileges or executing code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-25339?
CVE-2021-25339 is a medium-severity memory corruption vulnerability in Google Android, published on 4 Mar 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper address validation in HArx in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to corrupt EL2 memory.
Weakness: CWE-20
Which versions are affected by CVE-2021-25339?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-25339?
No fix has been published for CVE-2021-25339 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-25339 being exploited?
There is no known exploitation of CVE-2021-25339 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-6ffc-qmf6-7p73.