Detections
Analytics
Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000808)
medium Nessus Plugin ID 291117
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-2026-000808 advisory.Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service (guest OS crash) via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to CVE-2010-5313.
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?5dc303bf
http://www.nessus.org/u?be3fbd6f
http://www.nessus.org/u?a205692b
http://www.nessus.org/u?f0ab19d3
http://www.nessus.org/u?bd5cf013
http://www.nessus.org/u?5c7f4066
http://rhn.redhat.com/errata/RHSA-2016-0855.html
http://secunia.com/advisories/62305
http://secunia.com/advisories/62326
http://secunia.com/advisories/62336
http://www.openwall.com/lists/oss-security/2014/11/13/7
http://www.nessus.org/u?5cfd023e
http://www.nessus.org/u?7704c22a
http://www.nessus.org/u?62b02229
http://www.securityfocus.com/bid/71078
https://bugzilla.redhat.com/show_bug.cgi?id=1163762
http://www.nessus.org/u?9876d651
https://security-tracker.debian.org/tracker/CVE-2014-7842
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4
Plugin Details
Severity: Medium
ID: 291117
File Name: unity_linux_UTSA-2026-000808.nasl
Version: 1.1
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-2014-7842
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: 1/14/2026
Vulnerability Publication Date: 11/13/2014
Reference Information
CVE: CVE-2014-7842