CVE-2020-2025 Kata Containers - Cloud Hypervisor guests persist filesystem changes to the underlying host image file
A malicious guest VM can overwrite the host image file to compromise subsequent guest VMs, allowing privilege escalation and code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-2025?
CVE-2020-2025 is a high-severity vulnerability in Kata Containers, published on 19 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Kata Containers before 1.11.0 on Cloud Hypervisor persists guest filesystem changes to the underlying image file on the host. A malicious guest can overwrite the image file to gain control of all subsequent guest VMs. Since Kata Containers uses the same VM image file with all VMMs, this issue may also affect QEMU and Firecracker based guests.
Which versions are affected by CVE-2020-2025?
It affects 1 product.
Products include Katacontainers Runtime.
How do I fix CVE-2020-2025?
No fix has been published for CVE-2020-2025 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-2025 being exploited?
There is no known exploitation of CVE-2020-2025 in the wild and no public exploit code.