CVE-2019-15034 Memory corruption in n/a
A buffer overflow in QEMU's Bochs display allows attackers to execute arbitrary code or cause denial of service via crafted PCI config space.
- 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-2019-15034?
CVE-2019-15034 is a medium-severity memory corruption vulnerability in Qemu Qemu, published on 10 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
hw/display/bochs-display.c in QEMU 4.0.0 does not ensure a sufficient PCI config space allocation, leading to a buffer overflow involving the PCIe extended config space.
Weakness: CWE-120
Which versions are affected by CVE-2019-15034?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2019-15034?
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-2019-15034 being exploited?
There is no known exploitation of CVE-2019-15034 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2019-15034, GHSA-7pcg-64mr-xg9c.