CVE-2020-13791 Memory corruption in n/a
Guest OS users can trigger out-of-bounds access in QEMU's PCI configuration space, potentially leading to code execution or denial of service.
- 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-2020-13791?
CVE-2020-13791 is a medium-severity memory corruption vulnerability in Qemu Qemu, published on 4 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.
Weakness: CWE-125
Which versions are affected by CVE-2020-13791?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2020-13791?
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-2020-13791 being exploited?
There is no known exploitation of CVE-2020-13791 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2020-13791, GHSA-9j9x-v7hw-3v8f, UBUNTU-CVE-2020-13791.