Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5381-1) - Nessus

High Plugin ID: 160026

This page contains detailed information about the Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5381-1) 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: 160026
Name: Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5381-1)
Filename: ubuntu_USN-5381-1.nasl
Vulnerability Published: 2022-02-11
This Plugin Published: 2022-04-21
Last Modification Time: 2022-04-26
Plugin Version: 1.3
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 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5381-1 advisory.

- A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in the Linux kernel. This flaw allows a local attacker with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) to create issues with confidentiality. (CVE-2022-0494)

- A memory leak flaw was found in the Linux kernel's DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space. (CVE-2022-0854)

- A flaw use after free in the Linux kernel FUSE filesystem was found in the way user triggers write(). A local user could use this flaw to get some unauthorized access to some data from the FUSE filesystem and as result potentially privilege escalation too. (CVE-2022-1011)

- drivers/usb/gadget/legacy/inode.c in the Linux kernel through 5.16.8 mishandles dev->buf release. (CVE-2022-24958)

- st21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has EVT_TRANSACTION buffer overflows because of untrusted length parameters. (CVE-2022-26490)

- An issue was discovered in the Linux kernel before 5.16.12. drivers/net/usb/sr9700.c allows attackers to obtain sensitive information from heap memory via crafted frame lengths from a device. (CVE-2022-26966)

- In drivers/usb/gadget/udc/udc-xilinx.c in the Linux kernel before 5.16.12, the endpoint index is not validated and might be manipulated by the host for out-of-array access. (CVE-2022-27223)

- In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c. (CVE-2022-28356)

Note that Nessus has not tested for these issues 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 are available

Here's the list of publicly known exploits and PoCs for verifying the Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5381-1) vulnerability:

GitHub: https://github.com/pqlx/CVE-2022-1015
[CVE-2022-1015: Local privilege escalation PoC for Linux kernel CVE-2022-1015]
GitHub: https://github.com/zanezhub/CVE-2022-1015-1016
[CVE-2022-1015: Traducción al español de los CVE-2022-1015 y 1016 descubiertos y documentados por ...]

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-2022-27223
CVSS V2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS Base Score:	6.5 (Medium)
Impact Subscore:	6.4
Exploitability Subscore:	8.0
CVSS Temporal Score:	5.1 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	5.1 (Medium)

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

CVSS Base Score:	8.8 (High)
Impact Subscore:	5.9
Exploitability Subscore:	2.8
CVSS Temporal Score:	7.9 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.9 (High)

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Plugin Source

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-5381-1. 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(160026);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/26");

  script_cve_id(
    "CVE-2022-0494",
    "CVE-2022-0854",
    "CVE-2022-1011",
    "CVE-2022-1015",
    "CVE-2022-1016",
    "CVE-2022-1048",
    "CVE-2022-24958",
    "CVE-2022-26490",
    "CVE-2022-26966",
    "CVE-2022-27223",
    "CVE-2022-28356"
  );
  script_xref(name:"USN", value:"5381-1");

  script_name(english:"Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5381-1)");

  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 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in
the USN-5381-1 advisory.

  - A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in
    the Linux kernel. This flaw allows a local attacker with a special user privilege (CAP_SYS_ADMIN or
    CAP_SYS_RAWIO) to create issues with confidentiality. (CVE-2022-0494)

  - A memory leak flaw was found in the Linux kernel's DMA subsystem, in the way a user calls DMA_FROM_DEVICE.
    This flaw allows a local user to read random memory from the kernel space. (CVE-2022-0854)

  - A flaw use after free in the Linux kernel FUSE filesystem was found in the way user triggers write(). A
    local user could use this flaw to get some unauthorized access to some data from the FUSE filesystem and
    as result potentially privilege escalation too. (CVE-2022-1011)

  - drivers/usb/gadget/legacy/inode.c in the Linux kernel through 5.16.8 mishandles dev->buf release.
    (CVE-2022-24958)

  - st21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has
    EVT_TRANSACTION buffer overflows because of untrusted length parameters. (CVE-2022-26490)

  - An issue was discovered in the Linux kernel before 5.16.12. drivers/net/usb/sr9700.c allows attackers to
    obtain sensitive information from heap memory via crafted frame lengths from a device. (CVE-2022-26966)

  - In drivers/usb/gadget/udc/udc-xilinx.c in the Linux kernel before 5.16.12, the endpoint index is not
    validated and might be manipulated by the host for out-of-array access. (CVE-2022-27223)

  - In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c. (CVE-2022-28356)

Note that Nessus has not tested for these issues 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-5381-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-27223");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/02/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/04/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/04/21");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:20.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-buildinfo-5.14.0-1033-oem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-headers-5.14.0-1033-oem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-headers-oem-20.04");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-headers-oem-20.04b");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-headers-oem-20.04c");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-headers-oem-20.04d");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-5.14.0-1033-oem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04b");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04c");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04d");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-unsigned-5.14.0-1033-oem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-modules-5.14.0-1033-oem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-oem-20.04");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-oem-20.04b");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-oem-20.04c");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-oem-20.04d");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.14-headers-5.14.0-1033");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.14-tools-5.14.0-1033");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-oem-5.14-tools-host");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-tools-5.14.0-1033-oem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-tools-oem-20.04");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-tools-oem-20.04b");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-tools-oem-20.04c");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-tools-oem-20.04d");
  script_end_attributes();

  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('debian_package.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:"^(20\.04)$", string:release)) audit(AUDIT_OS_NOT, 'Ubuntu 20.04', '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-2022-0494', 'CVE-2022-0854', 'CVE-2022-1011', 'CVE-2022-1015', 'CVE-2022-1016', 'CVE-2022-1048', 'CVE-2022-24958', 'CVE-2022-26490', 'CVE-2022-26966', 'CVE-2022-27223', 'CVE-2022-28356');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for USN-5381-1');
  }
  else
  {
    _ubuntu_report = ksplice_reporting_text();
  }
}

var pkgs = [
    {'osver': '20.04', 'pkgname': 'linux-buildinfo-5.14.0-1033-oem', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-headers-5.14.0-1033-oem', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-headers-oem-20.04', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-headers-oem-20.04b', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-headers-oem-20.04c', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-headers-oem-20.04d', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-image-5.14.0-1033-oem', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-image-oem-20.04', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-image-oem-20.04b', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-image-oem-20.04c', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-image-oem-20.04d', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-image-unsigned-5.14.0-1033-oem', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-modules-5.14.0-1033-oem', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-oem-20.04', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-oem-20.04b', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-oem-20.04c', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-oem-20.04d', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-oem-5.14-headers-5.14.0-1033', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-oem-5.14-tools-5.14.0-1033', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-oem-5.14-tools-host', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-tools-5.14.0-1033-oem', 'pkgver': '5.14.0-1033.36'},
    {'osver': '20.04', 'pkgname': 'linux-tools-oem-20.04', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-tools-oem-20.04b', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-tools-oem-20.04c', 'pkgver': '5.14.0.1033.30'},
    {'osver': '20.04', 'pkgname': 'linux-tools-oem-20.04d', 'pkgver': '5.14.0.1033.30'}
];

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_WARNING,
    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-buildinfo-5.14.0-1033-oem / linux-headers-5.14.0-1033-oem / 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-5381-1.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\ubuntu_USN-5381-1.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/ubuntu_USN-5381-1.nasl

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How to Run

Here is how to run the Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5381-1) 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 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5381-1) plugin ID 160026.
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-5381-1.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a ubuntu_USN-5381-1.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-5381-1.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-5381-1.nasl -t <IP/HOST>

Go back to menu.

References

USN | Ubuntu Security Notice:

5381-1

See also:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file ubuntu_USN-5381-1.nasl version 1.3. For more plugins, visit the Nessus Plugin Library.

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Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5381-1) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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