CVE-2015-8817 Memory corruption in n/a

Q: Is CVE-2015-8817 being exploited?

There is no known exploitation of CVE-2015-8817 in the wild and no public exploit code.

Medium 5.5 Published 29 Dec 2016 Updated 6 Aug 2024

A privileged guest user can trigger an out-of-bounds read/write in QEMU, causing a denial of service by crashing the guest instance.

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-2015-8817?

CVE-2015-8817 is a medium-severity memory corruption vulnerability in Qemu Qemu, published on 29 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

QEMU (aka Quick Emulator) built to use 'address_space_translate' to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. It could occur while doing pci_dma_read/write calls. Affects QEMU versions >= 1.6.0 and <= 2.3.1. A privileged user inside guest could use this flaw to crash the guest instance resulting in DoS.

Weakness: CWE-787, CWE-125

Which versions are affected by CVE-2015-8817?

It affects 1 product.

Products include Qemu Qemu.

How do I fix CVE-2015-8817?

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-2015-8817 being exploited?

There is no known exploitation of CVE-2015-8817 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-8817, GHSA-v4mw-844w-rfcf, UBUNTU-CVE-2015-8817.