CVE-2019-20485
Public on 2020-03-19
Modified on 2020-11-11
Description
A flaw was found in the way the libvirtd daemon issued the 'suspend' command to a QEMU guest-agent running inside a guest, where it holds a monitor job while issuing the 'suspend' command to a guest-agent. A malicious guest-agent may use this flaw to block the libvirt daemon indefinitely, resulting in a denial of service.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | libvirt | 2020-11-09 | ALAS2-2020-1557 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.8 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H |
| NVD | CVSSv2 | 2.7 | AV:A/AC:L/Au:S/C:N/I:N/A:P |
| NVD | CVSSv3 | 5.7 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |