CVE-2015-7549 Null dereference in n/a
Local privileged guest users can crash the QEMU process via a NULL pointer dereference in MSI-X MMIO support, causing 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-2015-7549?
CVE-2015-7549 is a medium-severity vulnerability in Qemu Qemu, published on 30 Oct 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.
Weakness: CWE-476
Which versions are affected by CVE-2015-7549?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2015-7549?
Apply the vendor's patch.
Is CVE-2015-7549 being exploited?
There is no known exploitation of CVE-2015-7549 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2015-7549, GHSA-v683-5725-54rp, UBUNTU-CVE-2015-7549.