CVE-2024-26327 Memory corruption in n/a
A guest VM can trigger a buffer overflow in QEMU's PCIe SR-IOV implementation by writing invalid VF counts, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-26327?
CVE-2024-26327 is a medium-severity memory corruption vulnerability in Qemu Qemu, published on 19 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF implementations.
Which versions are affected by CVE-2024-26327?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2024-26327?
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-2024-26327 being exploited?
There is no known exploitation of CVE-2024-26327 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as AZL-61716, BELL-CVE-2024-26327, DEBIAN-CVE-2024-26327, GHSA-7m48-vw34-vw84, UBUNTU-CVE-2024-26327.