Detections
Analytics
Unity Linux 20.1060e / 20.1070e Security Update: spice-vdagent (UTSA-2026-016625)
medium Nessus Plugin ID 316266
Synopsis
The Unity Linux host is missing one or more security updates.Description
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016625 advisory.A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client connections. This flaw may allow an unprivileged local guest user to become the active agent for spice- vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest threat from this vulnerability is to data confidentiality as well as system availability. This flaw affects spice-vdagent versions 0.20 and prior.
Tenable has extracted the preceding description block directly from the Unity Linux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected spice-vdagent package.See Also
http://www.nessus.org/u?68f5fcfa
Plugin Details
Severity: Medium
ID: 316266
File Name: unity_linux_UTSA-2026-016625.nasl
Version: 1.1
Type: Local
Published: 5/22/2026
Updated: 5/22/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.0
CVSS v2
Risk Factor: Medium
Base Score: 5.4
Temporal Score: 4.2
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:C
CVSS Score Source: CVE-2020-25653
CVSS v3
Risk Factor: Medium
Base Score: 6.3
Temporal Score: 5.7
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/8/2026
Vulnerability Publication Date: 11/26/2020
Reference Information
CVE: CVE-2020-25653