CVE-2025-39710 media: venus: Add a check for packet size after reading from shared memory
A missing bounds check in the Linux kernel Venus media driver allows out-of-bounds memory access, potentially leading to code execution or system crashes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-39710?
CVE-2025-39710 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 5 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
media: venus: Add a check for packet size after reading from shared memory
Add a check to ensure that the packet size does not exceed the number of available words after reading the packet header from shared memory. This ensures that the size provided by the firmware is safe to process and prevent potential out-of-bounds memory access.
Weakness: CWE-125
Which versions are affected by CVE-2025-39710?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-39710?
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-2025-39710 being exploited?
There is no known exploitation of CVE-2025-39710 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-66944, BELL-CVE-2025-39710, DEBIAN-CVE-2025-39710, GHSA-cvwp-768v-w5r3, ROOT-OS-DEBIAN-11-CVE-2025-39710, ROOT-OS-DEBIAN-12-CVE-2025-39710 and 4 more.