Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3541-2)

medium Nessus Plugin ID 106271

Synopsis

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

Description

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3541-2 advisory.

- Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
(CVE-2017-5715)

- Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
(CVE-2017-5753)

- Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache. (CVE-2017-5754)

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 kernel package.

See Also

https://ubuntu.com/security/notices/USN-3541-2

Plugin Details

Severity: Medium

ID: 106271

File Name: ubuntu_USN-3541-2.nasl

Version: 3.15

Type: local

Agent: unix

Published: 1/23/2018

Updated: 1/9/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

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

CVSS Score Source: CVE-2017-5754

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.4

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-1006-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-1007-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-1017-oem, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-31-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-31-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-31-lowlatency, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/22/2018

Vulnerability Publication Date: 1/4/2018

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754

IAVA: 2018-A-0019, 2018-A-0020

USN: 3541-2