CVE-2020-14394 Detail
Current Description
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.
Analysis Description
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.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-835 | Loop with Unreachable Exit Condition (‘Infinite Loop’) | NIST Red Hat, Inc. |
Change History
1 change records found show changes
Initial Analysis 8/18/2022 10:55:28 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
|
|
| Added | CPE Configuration |
OR
*cpe:2.3:a:qemu:qemu:6.1.50:*:*:*:*:*:*:*
|
|
| Added | CPE Configuration |
OR
*cpe:2.3:a:redhat:openstack_platform:10.0:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
|
|
| Added | CVSS V3.1 |
NIST AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L |
|
| Added | CWE |
NIST CWE-835 |
|
| Changed | Reference Type |
https://bugzilla.redhat.com/show_bug.cgi?id=1908004 No Types Assigned |
https://bugzilla.redhat.com/show_bug.cgi?id=1908004 Exploit, Issue Tracking, Third Party Advisory |
| Changed | Reference Type |
https://gitlab.com/qemu-project/qemu/-/issues/646 No Types Assigned |
https://gitlab.com/qemu-project/qemu/-/issues/646 Exploit, Issue Tracking, Patch, Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2020-14394
NVD Published Date:
08/17/2022
NVD Last Modified:
08/18/2022
Source:
Red Hat, Inc.