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Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerability (USN-3630-2)

medium Nessus Plugin ID 109313

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3630-2 advisory.

 - The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference). (CVE-2018-8043)

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

https://ubuntu.com/security/notices/USN-3630-2

Plugin Details

Severity: Medium

ID: 109313

File Name: ubuntu_USN-3630-2.nasl

Version: 1.10

Type: local

Agent: unix

Published: 4/24/2018

Updated: 1/9/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2018-8043

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-1013-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-1024-oem, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-39-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-39-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.13.0-39-lowlatency, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/24/2018

Vulnerability Publication Date: 3/10/2018

Reference Information

CVE: CVE-2018-8043

USN: 3630-2