CVE-2021-25338 Memory corruption in Samsung Mobile Devices
An attacker with a compromised kernel can write to protected RKP memory regions, potentially escalating privileges or executing code on Samsung mobile devices.
- 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-2021-25338?
CVE-2021-25338 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 memory access control in RKP in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to write certain part of RKP EL2 memory region.
Weakness: CWE-20
Which versions are affected by CVE-2021-25338?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-25338?
No fix has been published for CVE-2021-25338 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-2021-25338 being exploited?
There is no known exploitation of CVE-2021-25338 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-q4vp-79rq-94cg.