Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5268-1) - Nessus

High Plugin ID: 157352

This page contains detailed information about the Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5268-1) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 157352
Name: Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5268-1)
Filename: ubuntu_USN-5268-1.nasl
Vulnerability Published: 2021-10-20
This Plugin Published: 2022-02-03
Last Modification Time: 2022-03-14
Plugin Version: 1.5
Plugin Type: local
Plugin Family: Ubuntu Local Security Checks
Dependencies: linux_alt_patch_detect.nasl, ssh_get_info.nasl
Required KB Items [?]: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Vulnerability Information

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5268-1 advisory.

- A use-after-free flaw was found in the Linux kernel's Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-3752)

- A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system. (CVE-2021-3640)

- A flaw in the processing of received ICMP errors (ICMP fragment needed and ICMP redirect) in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source port randomization are indirectly affected as well. (CVE-2021-20322)

- The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking. (CVE-2021-42739)

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 packages.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (GitHub)
Exploit Ease: Exploits (PoCs) are available

Here's the list of publicly known exploits and PoCs for verifying the Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5268-1) vulnerability:

GitHub: https://github.com/JaskaranNarula/Host_Errata_Info
[CVE-2021-42739]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS Score Source [?]: CVE-2021-3752
CVSS V2 Vector: AV:A/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C

CVSS Base Score:	7.9 (High)
Impact Subscore:	10.0
Exploitability Subscore:	5.5
CVSS Temporal Score:	5.8 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	5.8 (Medium)

CVSS V3 Vector: CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS Base Score:	7.1 (High)
Impact Subscore:	5.9
Exploitability Subscore:	1.2
CVSS Temporal Score:	6.2 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.2 (Medium)

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Plugin Source

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-5268-1. The text
# itself is copyright (C) Canonical, Inc. See
# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(157352);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/03/14");

  script_cve_id(
    "CVE-2021-3640",
    "CVE-2021-3752",
    "CVE-2021-20322",
    "CVE-2021-42739"
  );
  script_xref(name:"USN", value:"5268-1");

  script_name(english:"Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5268-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as
referenced in the USN-5268-1 advisory.

  - A use-after-free flaw was found in the Linux kernel's Bluetooth subsystem in the way user calls connect to
    the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the
    system or escalate their privileges. The highest threat from this vulnerability is to confidentiality,
    integrity, as well as system availability. (CVE-2021-3752)

  - A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the
    way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del()
    together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A
    privileged local user could use this flaw to crash the system or escalate their privileges on the system.
    (CVE-2021-3640)

  - A flaw in the processing of received ICMP errors (ICMP fragment needed and ICMP redirect) in the Linux
    kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an
    off-path remote user to effectively bypass the source port UDP randomization. The highest threat from this
    vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source
    port randomization are indirectly affected as well. (CVE-2021-20322)

  - The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to
    drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt
    mishandles bounds checking. (CVE-2021-42739)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/notices/USN-5268-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
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  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-3752");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/10/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/02/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/03");

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  script_category(ACT_GATHER_INFO);
  script_family(english:"Ubuntu Local Security Checks");

  script_copyright(english:"Ubuntu Security Notice (C) 2022 Canonical, Inc. / NASL script (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}

include('audit.inc');
include('ubuntu.inc');
include('ksplice.inc');

if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var release = get_kb_item('Host/Ubuntu/release');
if ( isnull(release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
var release = chomp(release);
if (! preg(pattern:"^(16\.04|18\.04)$", string:release)) audit(AUDIT_OS_NOT, 'Ubuntu 16.04 / 18.04', 'Ubuntu ' + release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);

if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
  rm_kb_item(name:'Host/uptrack-uname-r');
  var cve_list = make_list('CVE-2021-3640', 'CVE-2021-3752', 'CVE-2021-20322', 'CVE-2021-42739');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for USN-5268-1');
  }
  else
  {
    _ubuntu_report = ksplice_reporting_text();
  }
}

var pkgs = [
    {'osver': '16.04', 'pkgname': 'linux-aws-edge', 'pkgver': '4.15.0.1119.110'},
    {'osver': '16.04', 'pkgname': 'linux-aws-headers-4.15.0-1119', 'pkgver': '4.15.0-1119.126~16.04.2'},
    {'osver': '16.04', 'pkgname': 'linux-aws-hwe', 'pkgver': '4.15.0.1119.110'},
    {'osver': '16.04', 'pkgname': 'linux-aws-hwe-cloud-tools-4.15.0-1119', 'pkgver': '4.15.0-1119.126~16.04.2'},
    {'osver': '16.04', 'pkgname': 'linux-aws-hwe-tools-4.15.0-1119', 'pkgver': '4.15.0-1119.126~16.04.2'},
    {'osver': '16.04', 'pkgname': 'linux-azure', 'pkgver': '4.15.0.1130.121'},
    {'osver': '16.04', 'pkgname': 'linux-azure-cloud-tools-4.15.0-1130', 'pkgver': '4.15.0-1130.143~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-azure-edge', 'pkgver': '4.15.0.1130.121'},
    {'osver': '16.04', 'pkgname': 'linux-azure-headers-4.15.0-1130', 'pkgver': '4.15.0-1130.143~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-azure-tools-4.15.0-1130', 'pkgver': '4.15.0-1130.143~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-buildinfo-4.15.0-1086-oracle', 'pkgver': '4.15.0-1086.94~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-buildinfo-4.15.0-1119-aws', 'pkgver': '4.15.0-1119.126~16.04.2'},
    {'osver': '16.04', 'pkgname': 'linux-buildinfo-4.15.0-1130-azure', 'pkgver': '4.15.0-1130.143~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-buildinfo-4.15.0-167-generic', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-buildinfo-4.15.0-167-lowlatency', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-4.15.0-1119-aws', 'pkgver': '4.15.0-1119.126~16.04.2'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-4.15.0-1130-azure', 'pkgver': '4.15.0-1130.143~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-4.15.0-167-generic', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-4.15.0-167-lowlatency', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-azure', 'pkgver': '4.15.0.1130.121'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-azure-edge', 'pkgver': '4.15.0.1130.121'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-generic-hwe-16.04', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-generic-hwe-16.04-edge', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-lowlatency-hwe-16.04', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-lowlatency-hwe-16.04-edge', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-virtual-hwe-16.04', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-cloud-tools-virtual-hwe-16.04-edge', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-generic-hwe-16.04', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-generic-hwe-16.04-edge', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-headers-4.15.0-1086-oracle', 'pkgver': '4.15.0-1086.94~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-headers-4.15.0-1119-aws', 'pkgver': '4.15.0-1119.126~16.04.2'},
    {'osver': '16.04', 'pkgname': 'linux-headers-4.15.0-1130-azure', 'pkgver': '4.15.0-1130.143~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-headers-4.15.0-167', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-headers-4.15.0-167-generic', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-headers-4.15.0-167-lowlatency', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-headers-aws-hwe', 'pkgver': '4.15.0.1119.110'},
    {'osver': '16.04', 'pkgname': 'linux-headers-azure', 'pkgver': '4.15.0.1130.121'},
    {'osver': '16.04', 'pkgname': 'linux-headers-azure-edge', 'pkgver': '4.15.0.1130.121'},
    {'osver': '16.04', 'pkgname': 'linux-headers-generic-hwe-16.04', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-headers-generic-hwe-16.04-edge', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-headers-lowlatency-hwe-16.04', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-headers-lowlatency-hwe-16.04-edge', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-headers-oem', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-headers-oracle', 'pkgver': '4.15.0.1086.74'},
    {'osver': '16.04', 'pkgname': 'linux-headers-virtual-hwe-16.04', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-headers-virtual-hwe-16.04-edge', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-hwe-cloud-tools-4.15.0-167', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-hwe-tools-4.15.0-167', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-image-4.15.0-1086-oracle', 'pkgver': '4.15.0-1086.94~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-image-4.15.0-1130-azure', 'pkgver': '4.15.0-1130.143~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-image-4.15.0-167-generic', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-image-4.15.0-167-lowlatency', 'pkgver': '4.15.0-167.175~16.04.1'},
    {'osver': '16.04', 'pkgname': 'linux-image-aws-hwe', 'pkgver': '4.15.0.1119.110'},
    {'osver': '16.04', 'pkgname': 'linux-image-azure', 'pkgver': '4.15.0.1130.121'},
    {'osver': '16.04', 'pkgname': 'linux-image-azure-edge', 'pkgver': '4.15.0.1130.121'},
    {'osver': '16.04', 'pkgname': 'linux-image-extra-virtual-hwe-16.04', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-image-extra-virtual-hwe-16.04-edge', 'pkgver': '4.15.0.167.159'},
    {'osver': '16.04', 'pkgname': 'linux-image-generic-hwe-16.04', 'pkgver': '4.15.0.167.159'},
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    {'osver': '18.04', 'pkgname': 'linux-kvm', 'pkgver': '4.15.0.1106.102'},
    {'osver': '18.04', 'pkgname': 'linux-kvm-headers-4.15.0-1106', 'pkgver': '4.15.0-1106.108'},
    {'osver': '18.04', 'pkgname': 'linux-kvm-tools-4.15.0-1106', 'pkgver': '4.15.0-1106.108'},
    {'osver': '18.04', 'pkgname': 'linux-libc-dev', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-lowlatency', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-lowlatency-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-lowlatency-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-1034-dell300x', 'pkgver': '4.15.0-1034.39'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-1086-oracle', 'pkgver': '4.15.0-1086.94'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-1102-raspi2', 'pkgver': '4.15.0-1102.109'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-1106-kvm', 'pkgver': '4.15.0-1106.108'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-1115-gcp', 'pkgver': '4.15.0-1115.129'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-1119-aws', 'pkgver': '4.15.0-1119.127'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-1119-snapdragon', 'pkgver': '4.15.0-1119.128'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-167-generic', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-167-generic-lpae', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-modules-4.15.0-167-lowlatency', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-modules-extra-4.15.0-1086-oracle', 'pkgver': '4.15.0-1086.94'},
    {'osver': '18.04', 'pkgname': 'linux-modules-extra-4.15.0-1115-gcp', 'pkgver': '4.15.0-1115.129'},
    {'osver': '18.04', 'pkgname': 'linux-modules-extra-4.15.0-1119-aws', 'pkgver': '4.15.0-1119.127'},
    {'osver': '18.04', 'pkgname': 'linux-modules-extra-4.15.0-167-generic', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-modules-extra-aws-lts-18.04', 'pkgver': '4.15.0.1119.122'},
    {'osver': '18.04', 'pkgname': 'linux-modules-extra-gcp-lts-18.04', 'pkgver': '4.15.0.1115.134'},
    {'osver': '18.04', 'pkgname': 'linux-oracle-headers-4.15.0-1086', 'pkgver': '4.15.0-1086.94'},
    {'osver': '18.04', 'pkgname': 'linux-oracle-lts-18.04', 'pkgver': '4.15.0.1086.96'},
    {'osver': '18.04', 'pkgname': 'linux-oracle-tools-4.15.0-1086', 'pkgver': '4.15.0-1086.94'},
    {'osver': '18.04', 'pkgname': 'linux-raspi2', 'pkgver': '4.15.0.1102.100'},
    {'osver': '18.04', 'pkgname': 'linux-raspi2-headers-4.15.0-1102', 'pkgver': '4.15.0-1102.109'},
    {'osver': '18.04', 'pkgname': 'linux-raspi2-tools-4.15.0-1102', 'pkgver': '4.15.0-1102.109'},
    {'osver': '18.04', 'pkgname': 'linux-signed-generic', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-generic-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-generic-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-image-generic', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-image-generic-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-image-generic-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-image-lowlatency', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-image-lowlatency-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-image-lowlatency-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-image-oracle-lts-18.04', 'pkgver': '4.15.0.1086.96'},
    {'osver': '18.04', 'pkgname': 'linux-signed-lowlatency', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-lowlatency-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-lowlatency-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-signed-oracle-lts-18.04', 'pkgver': '4.15.0.1086.96'},
    {'osver': '18.04', 'pkgname': 'linux-snapdragon', 'pkgver': '4.15.0.1119.122'},
    {'osver': '18.04', 'pkgname': 'linux-snapdragon-headers-4.15.0-1119', 'pkgver': '4.15.0-1119.128'},
    {'osver': '18.04', 'pkgname': 'linux-snapdragon-tools-4.15.0-1119', 'pkgver': '4.15.0-1119.128'},
    {'osver': '18.04', 'pkgname': 'linux-source', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-source-4.15.0', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-1034-dell300x', 'pkgver': '4.15.0-1034.39'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-1086-oracle', 'pkgver': '4.15.0-1086.94'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-1102-raspi2', 'pkgver': '4.15.0-1102.109'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-1106-kvm', 'pkgver': '4.15.0-1106.108'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-1115-gcp', 'pkgver': '4.15.0-1115.129'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-1119-aws', 'pkgver': '4.15.0-1119.127'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-1119-snapdragon', 'pkgver': '4.15.0-1119.128'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-167', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-167-generic', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-167-generic-lpae', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-tools-4.15.0-167-lowlatency', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-tools-aws-lts-18.04', 'pkgver': '4.15.0.1119.122'},
    {'osver': '18.04', 'pkgname': 'linux-tools-common', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-tools-dell300x', 'pkgver': '4.15.0.1034.36'},
    {'osver': '18.04', 'pkgname': 'linux-tools-gcp-lts-18.04', 'pkgver': '4.15.0.1115.134'},
    {'osver': '18.04', 'pkgname': 'linux-tools-generic', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-generic-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-generic-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-generic-lpae', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-generic-lpae-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-generic-lpae-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-host', 'pkgver': '4.15.0-167.175'},
    {'osver': '18.04', 'pkgname': 'linux-tools-kvm', 'pkgver': '4.15.0.1106.102'},
    {'osver': '18.04', 'pkgname': 'linux-tools-lowlatency', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-lowlatency-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-lowlatency-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-oracle-lts-18.04', 'pkgver': '4.15.0.1086.96'},
    {'osver': '18.04', 'pkgname': 'linux-tools-raspi2', 'pkgver': '4.15.0.1102.100'},
    {'osver': '18.04', 'pkgname': 'linux-tools-snapdragon', 'pkgver': '4.15.0.1119.122'},
    {'osver': '18.04', 'pkgname': 'linux-tools-virtual', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-virtual-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-tools-virtual-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-virtual', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-virtual-hwe-16.04', 'pkgver': '4.15.0.167.156'},
    {'osver': '18.04', 'pkgname': 'linux-virtual-hwe-16.04-edge', 'pkgver': '4.15.0.167.156'}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var osver = NULL;
  var pkgname = NULL;
  var pkgver = NULL;
  if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
  if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
  if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
  if (osver && pkgname && pkgver) {
    if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'linux-aws-cloud-tools-4.15.0-1119 / linux-aws-edge / etc');
}

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/ubuntu_USN-5268-1.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\ubuntu_USN-5268-1.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/ubuntu_USN-5268-1.nasl

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How to Run

Here is how to run the Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5268-1) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select Ubuntu Local Security Checks plugin family.
On the right side table select Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5268-1) plugin ID 157352.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl ubuntu_USN-5268-1.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a ubuntu_USN-5268-1.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - ubuntu_USN-5268-1.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state ubuntu_USN-5268-1.nasl -t <IP/HOST>

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References

USN | Ubuntu Security Notice:

5268-1

See also:

Similar and related Nessus plugins:

157283 - SUSE SLES15 Security Update : kernel (Live Patch 24 for SLE 15) (SUSE-SU-2022:0237-1)
157284 - Slackware Linux 14.2 kernel-generic Multiple Vulnerabilities (SSA:2022-031-01)
157291 - Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2022-9088)
157298 - SUSE SLES15 Security Update : kernel (Live Patch 4 for SLE 15 SP3) (SUSE-SU-2022:0257-1)
157301 - SUSE SLES15 Security Update : kernel (Live Patch 22 for SLE 15) (SUSE-SU-2022:0255-1)
157302 - SUSE SLES15 Security Update : kernel (Live Patch 6 for SLE 15 SP3) (SUSE-SU-2022:0270-1)
157306 - SUSE SLES15 Security Update : kernel (Live Patch 15 for SLE 15 SP2) (SUSE-SU-2022:0254-1)
157308 - SUSE SLES15 Security Update : kernel (Live Patch 22 for SLE 15 SP1) (SUSE-SU-2022:0263-1)
157310 - SUSE SLES12 Security Update : kernel (Live Patch 17 for SLE 12 SP5) (SUSE-SU-2022:0267-1)
157334 - SUSE SLES12 Security Update : kernel (Live Patch 20 for SLE 12 SP4) (SUSE-SU-2022:0298-1)
157341 - SUSE SLES15 Security Update : kernel (Live Patch 13 for SLE 15 SP2) (SUSE-SU-2022:0292-1)
157343 - SUSE SLES12 Security Update : kernel (Live Patch 18 for SLE 12 SP4) (SUSE-SU-2022:0296-1)
157344 - SUSE SLES15 Security Update : kernel (Live Patch 10 for SLE 15 SP2) (SUSE-SU-2022:0291-1)
157345 - SUSE SLES15 Security Update : kernel (Live Patch 0 for SLE 15 SP3) (SUSE-SU-2022:0293-1)
157346 - SUSE SLES15 Security Update : kernel (Live Patch 1 for SLE 15 SP3) (SUSE-SU-2022:0295-1)
157350 - Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (GKE) vulnerabilities (USN-5266-1)
157351 - Ubuntu 20.04 LTS / 21.10 : Linux kernel vulnerabilities (USN-5265-1)
157353 - Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5267-1)
157392 - SUSE SLES12 Security Update : kernel (Live Patch 39 for SLE 12 SP3) (SUSE-SU-2022:0327-1)
157395 - SUSE SLES12 Security Update : kernel (Live Patch 37 for SLE 12 SP3) (SUSE-SU-2022:0325-1)
157396 - SUSE SLES12 Security Update : kernel (Live Patch 40 for SLE 12 SP3) (SUSE-SU-2022:0328-1)
157410 - Amazon Linux AMI : kernel (ALAS-2022-1563)
158100 - Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2022-9148)
158107 - Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2022-9147)
158125 - Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-5267-3)
158127 - OracleVM 3.4 : kernel-uek (OVMSA-2022-0007)
158264 - RHEL 7 : kernel-rt (RHSA-2022:0622)
158266 - RHEL 7 : kernel (RHSA-2022:0620)
158268 - Oracle Linux 7 : kernel (ELSA-2022-0620)
158288 - EulerOS 2.0 SP3 : kernel (EulerOS-SA-2022-1171)
158330 - Scientific Linux Security Update : kernel on SL7.x x86_64 (2022:0620)
158387 - EulerOS 2.0 SP10 : kernel (EulerOS-SA-2022-1255)
158396 - EulerOS 2.0 SP10 : kernel (EulerOS-SA-2022-1208)
158438 - CentOS 7 : kernel (CESA-2022:0620)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file ubuntu_USN-5268-1.nasl version 1.5. For more plugins, visit the Nessus Plugin Library.

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Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-5268-1) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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