CVE-2021-25370 Samsung Mobile Devices Memory Corruption
Incorrect file descriptor handling in the DPU driver causes memory corruption and kernel panic, requiring a security patch for Samsung mobile devices.
- Exploited in the wild
- Since 8 Nov 2022
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25370?
CVE-2021-25370 is a medium-severity use after free vulnerability in Samsung Android, published on 26 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An incorrect implementation handling file descriptor in dpu driver prior to SMR Mar-2021 Release 1 results in memory corruption leading to kernel panic.
Which versions are affected by CVE-2021-25370?
It affects 1 product.
Products include Samsung Android.
How do I fix CVE-2021-25370?
No fix has been published for CVE-2021-25370 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 29 Nov 2022.
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-2021-25370 being exploited?
Yes. Attackers have exploited CVE-2021-25370 in the wild since at least 8 Nov 2022.
Other vulnerabilities in Samsung Android
Sources
Also known as GHSA-hhhg-3qxh-mmh3.