Detections
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Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002186)
medium Nessus Plugin ID 287426
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-2026-002186 advisory.The Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (loop) by triggering ring pointer corruption.
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?f9656f1a
http://www.nessus.org/u?ff39b96c
http://www.nessus.org/u?71793e27
http://www.nessus.org/u?40478fd8
http://www.nessus.org/u?043efb17
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://www.openwall.com/lists/oss-security/2013/02/05/12
https://bugzilla.redhat.com/show_bug.cgi?id=910883
Plugin Details
Severity: Medium
ID: 287426
File Name: unity_linux_UTSA-2026-002186.nasl
Version: 1.1
Type: local
Published: 1/15/2026
Updated: 1/15/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.8
CVSS v2
Risk Factor: Medium
Base Score: 5.2
Temporal Score: 4.1
Vector: CVSS2#AV:A/AC:M/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2013-0216
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.9
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:P/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 Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 1/15/2026
Vulnerability Publication Date: 2/5/2013
Reference Information
CVE: CVE-2013-0216