Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002127)

high Nessus Plugin ID 284931

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-2026-002127 advisory.

The msr_open function in arch/x86/kernel/msr.c in the Linux kernel before 3.7.6 allows local users to bypass intended capability restrictions by executing a crafted application as root, as demonstrated by msr32.c.

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?f33bc3f0

http://www.nessus.org/u?0159a7c5

http://www.nessus.org/u?40478fd8

http://www.nessus.org/u?f589e51a

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.6

http://www.openwall.com/lists/oss-security/2013/02/07/12

https://bugzilla.redhat.com/show_bug.cgi?id=908693

http://www.nessus.org/u?9b37464d

https://security-tracker.debian.org/tracker/CVE-2013-0268

Plugin Details

Severity: High

ID: 284931

File Name: unity_linux_UTSA-2026-002127.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-2013-0268

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/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/15/2026

Vulnerability Publication Date: 2/7/2013

Reference Information

CVE: CVE-2013-0268