Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002163)

high Nessus Plugin ID 287616

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-2026-002163 advisory.

The KVM subsystem in the Linux kernel through 3.12.5 allows local users to gain privileges or cause a denial of service (system crash) via a VAPIC synchronization operation involving a page-end address.

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?f88209f6

http://www.nessus.org/u?c0fad2a7

http://www.nessus.org/u?c7675788

http://www.nessus.org/u?9933acc0

http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html

http://rhn.redhat.com/errata/RHSA-2013-1801.html

http://rhn.redhat.com/errata/RHSA-2014-0163.html

http://rhn.redhat.com/errata/RHSA-2014-0284.html

http://www.openwall.com/lists/oss-security/2013/12/12/12

http://www.securityfocus.com/bid/64291

http://www.ubuntu.com/usn/USN-2113-1

http://www.ubuntu.com/usn/USN-2117-1

http://www.ubuntu.com/usn/USN-2133-1

http://www.ubuntu.com/usn/USN-2134-1

http://www.ubuntu.com/usn/USN-2135-1

http://www.ubuntu.com/usn/USN-2136-1

http://www.ubuntu.com/usn/USN-2138-1

http://www.ubuntu.com/usn/USN-2139-1

http://www.ubuntu.com/usn/USN-2141-1

https://bugzilla.redhat.com/show_bug.cgi?id=1032210

http://www.nessus.org/u?55ab0354

https://security-tracker.debian.org/tracker/CVE-2013-6368

Plugin Details

Severity: High

ID: 287616

File Name: unity_linux_UTSA-2026-002163.nasl

Version: 1.1

Type: local

Published: 1/15/2026

Updated: 1/15/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.9

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2013-6368

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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: 12/12/2013

Reference Information

CVE: CVE-2013-6368