CVE-2016-8576

MEDIUM

QEMU - DoS

Title source: llm

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.

References (10)

[Patch] http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/10/10/12

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/10/10/6

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/93469

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2392

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2408

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

[Patch, Third Party Advisory] https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.html

[Third Party Advisory] https://security.gentoo.org/glsa/201611-11

Scores

CVSS v3 6.0

EPSS 0.0011

EPSS Percentile 29.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Classification

CWE

CWE-770

Status published

Affected Products (11)

qemu/qemu < 2.7.1

opensuse/leap

redhat/openstack

redhat/openstack

redhat/openstack

redhat/openstack

redhat/openstack

redhat/openstack

redhat/virtualization

debian/debian_linux

n/a/n/a

Timeline

Published Nov 04, 2016

Tracked Since Feb 18, 2026