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.
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.html
http://www.openwall.com/lists/oss-security/2016/10/10/12
http://www.securityfocus.com/bid/93469
http://www.openwall.com/lists/oss-security/2016/10/10/6
http://git.qemu.org/?p=qemu.git;a=commit;h=05f43d44e4bc26611ce25fd7d726e483f73363ce
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
https://security.gentoo.org/glsa/201611-11
https://access.redhat.com/errata/RHSA-2017:2408
https://access.redhat.com/errata/RHSA-2017:2392
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Source: MITRE
Published: 2016-11-04
Updated: 2021-08-04
Type: CWE-770
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 6
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 1.5
Severity: MEDIUM