Vulnerability Details : CVE-2016-8576
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.
Vulnerability category: Denial of service
Products affected by CVE-2016-8576
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-8576
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-8576
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
6.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
1.5
|
4.0
|
NIST |
CWE ids for CVE-2016-8576
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-8576
-
https://access.redhat.com/errata/RHSA-2017:2392
RHSA-2017:2392 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://security.gentoo.org/glsa/201611-11
QEMU: Multiple vulnerabilities (GLSA 201611-11) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
[SECURITY] [DLA 1497-1] qemu security updateMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:2408
RHSA-2017:2408 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/10/10/6
oss-security - CVE request Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetchMailing List;Third Party Advisory
-
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce
git.qemu.org Git
-
http://www.securityfocus.com/bid/93469
QEMU 'hw/usb/hcd-xhci.c' Infinite Loop Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
openSUSE-SU-2016:3237-1: moderate: Security update for qemuMailing List;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.html
Re: [Qemu-devel] [PATCH] usb: xHCI: add check to limit command TRB procePatch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/10/10/12
oss-security - Re: CVE request Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetchMailing List;Patch;Third Party Advisory
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