CVE-2021-25479 Memory corruption in Samsung Mobile Devices
Heap-based buffer overflow in Exynos CP Chipset allows arbitrary memory write and code execution, requiring security patches for affected Samsung devices.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-25479?
CVE-2021-25479 is a high-severity memory corruption vulnerability in Google Android, published on 6 Oct 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A possible heap-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.
Which versions are affected by CVE-2021-25479?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-25479?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-25479 being exploited?
There is no known exploitation of CVE-2021-25479 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-214309790, GHSA-x292-vrhf-v24h, PUB-A-214309790.