CVE-2016-8576Allocation of Resources Without Limits or Throttling in Qemu

Severity
6.0MEDIUMNVD
EPSS
0.1%
top 70.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 4
Latest updateMay 13

Description

The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HExploitability: 1.5 | Impact: 4.0

Affected Packages5 packages

Debianqemu/qemu< 1:2.8+dfsg-1+3
NVDqemu/qemu2.7.1
NVDopensuse/leap42.2
NVDredhat/openstack6 versions+5

Also affects: Debian Linux 8.0

Patches

🔴Vulnerability Details

3
GHSA
GHSA-vcwq-9qrw-7mh3: The xhci_ring_fetch function in hw/usb/hcd-xhci2022-05-13
OSV
CVE-2016-8576: The xhci_ring_fetch function in hw/usb/hcd-xhci2016-11-04
CVEList
CVE-2016-8576: The xhci_ring_fetch function in hw/usb/hcd-xhci2016-11-04

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities2016-11-09
Red Hat
Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch2016-10-06
Debian
CVE-2016-8576: qemu - The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) a...2016

💬Community

3
Bugzilla
CVE-2016-8576 xen: Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch [fedora-all]2016-10-06
Bugzilla
CVE-2016-8576 Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch [fedora-all]2016-10-06
Bugzilla
CVE-2016-8576 Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch2016-05-05
CVE-2016-8576 — Qemu vulnerability | cvebase