CVE-2020-13754 Memory corruption in n/a
Guest OS users can trigger out-of-bounds memory access in QEMU via crafted MSI-X MMIO operations, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13754?
CVE-2020-13754 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 2 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
Weakness: CWE-119
Which versions are affected by CVE-2020-13754?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2020-13754?
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-2020-13754 being exploited?
There is no known exploitation of CVE-2020-13754 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-13754, GHSA-7f7c-v5j3-cchv, UBUNTU-CVE-2020-13754.