Detections
Analytics
Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004139)
medium Nessus Plugin ID 288620
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-2026-004139 advisory.An issue was discovered in drivers/xen/balloon.c in the Linux kernel before 5.2.3, as used in Xen through 4.12.x, allowing guest OS users to cause a denial of service because of unrestricted resource consumption during the mapping of guest memory, aka CID-6ef36ab967c7.
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 kernel package.See Also
http://www.nessus.org/u?1178bb7e
http://www.openwall.com/lists/oss-security/2019/10/25/9
http://xenbits.xen.org/xsa/advisory-300.html
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3
http://www.nessus.org/u?69526f81
https://security-tracker.debian.org/tracker/CVE-2019-17351
https://security.netapp.com/advisory/ntap-20191031-0005/
https://usn.ubuntu.com/4286-1/
Plugin Details
Severity: Medium
ID: 288620
File Name: unity_linux_UTSA-2026-004139.nasl
Version: 1.2
Type: local
Published: 1/16/2026
Updated: 1/16/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 3.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2019-17351
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/UOS-Server/release, Host/UOS-Server/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 1/16/2026
Vulnerability Publication Date: 8/21/2019
Reference Information
CVE: CVE-2019-17351