Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002036)

high Nessus Plugin ID 286741

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-2026-002036 advisory.

Array index error in the kvm_vm_ioctl_create_vcpu function in virt/kvm/kvm_main.c in the KVM subsystem in the Linux kernel through 3.12.5 allows local users to gain privileges via a large id value.

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?ccfffd74

http://www.nessus.org/u?5e05645d

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

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

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

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

http://www.ubuntu.com/usn/USN-2109-1

http://www.ubuntu.com/usn/USN-2110-1

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

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

http://www.ubuntu.com/usn/USN-2128-1

http://www.ubuntu.com/usn/USN-2129-1

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=1030986

http://www.nessus.org/u?3d6f0db7

https://security-tracker.debian.org/tracker/CVE-2013-4587

https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.54

Plugin Details

Severity: High

ID: 286741

File Name: unity_linux_UTSA-2026-002036.nasl

Version: 1.1

Type: local

Published: 1/15/2026

Updated: 1/15/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2013-4587

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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: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: 1/15/2026

Vulnerability Publication Date: 12/14/2013

Reference Information

CVE: CVE-2013-4587