CVE-2016-7466 describes a memory leak in QEMU's USB XHCI host controller, specifically within the usb_xhci_exit function when MSI-X is enabled. This vulnerability allows a local guest OS administrator to trigger a denial of service (memory exhaustion and potential QEMU process crash) by repeatedly unplugging a USB device. Rated Medium with a CVSS score of 6.0, the attack requires high privileges within the guest OS and has a high impact on availability, but no impact on confidentiality or integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.7.1CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | ||
42.2CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:* | ||
8CPE matchmatch criteria | cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.