Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000761)

high Nessus Plugin ID 283751

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-2026-000761 advisory.

The futex_wait_requeue_pi function in kernel/futex.c in the Linux kernel before 3.5.1 does not ensure that calls have two different futex addresses, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted FUTEX_WAIT_REQUEUE_PI command.

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?cf756ea5

http://www.nessus.org/u?fa62ed12

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.1

http://www.openwall.com/lists/oss-security/2014/05/14/9

https://bugzilla.redhat.com/show_bug.cgi?id=1097746

http://www.nessus.org/u?f1a4f413

https://security-tracker.debian.org/tracker/CVE-2012-6647

Plugin Details

Severity: High

ID: 283751

File Name: unity_linux_UTSA-2026-000761.nasl

Version: 1.2

Type: local

Published: 1/14/2026

Updated: 1/15/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2012-6647

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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: 5/14/2014

Reference Information

CVE: CVE-2012-6647