Vulnerability DatabaseCVE-2020-14394
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2020-14394
August 17, 2022
An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.
Related Resources (9)
https://lists.debian.org/debian-lts-announce/2023/03/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
https://security-tracker.debian.org/tracker/CVE-2020-14394
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14394
https://access.redhat.com/security/cve/CVE-2020-14394
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
https://security.archlinux.org/CVE-2020-14394
https://gitlab.com/qemu-project/qemu/-/issues/646
https://bugzilla.redhat.com/show_bug.cgi?id=1908004
Do you need more information?
Contact Us
CVSS v4
Base Score:
4.6
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
LOW
CVSS v3
Base Score:
3.2
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-835
EPSS
Base Score:
0.03