Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000909)

high Nessus Plugin ID 290387

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-2026-000909 advisory.

Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the Linux kernel through 3.11.4 makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via multiple requests for small amounts of data, leading to improper management of the state of the consumed data.

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?a74cce0f

http://marc.info/?l=linux-crypto-vger&m=137942122902845&w=2

http://rhn.redhat.com/errata/RHSA-2013-1449.html

http://rhn.redhat.com/errata/RHSA-2013-1490.html

http://rhn.redhat.com/errata/RHSA-2013-1645.html

http://www.securityfocus.com/bid/62740

http://www.ubuntu.com/usn/USN-2064-1

http://www.ubuntu.com/usn/USN-2065-1

http://www.ubuntu.com/usn/USN-2068-1

http://www.ubuntu.com/usn/USN-2070-1

http://www.ubuntu.com/usn/USN-2071-1

http://www.ubuntu.com/usn/USN-2072-1

http://www.ubuntu.com/usn/USN-2074-1

http://www.ubuntu.com/usn/USN-2075-1

http://www.ubuntu.com/usn/USN-2076-1

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

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

http://www.ubuntu.com/usn/USN-2158-1

https://bugzilla.redhat.com/show_bug.cgi?id=1007690

https://security-tracker.debian.org/tracker/CVE-2013-4345

Plugin Details

Severity: High

ID: 290387

File Name: unity_linux_UTSA-2026-000909.nasl

Version: 1.1

Type: local

Published: 1/16/2026

Updated: 1/16/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.7

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2013-4345

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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: 9/13/2013

Reference Information

CVE: CVE-2013-4345