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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Linux kernel vulnerability (USN-4627-1)

medium Nessus Plugin ID 142721

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4627-1 advisory.

 - Insufficient access control in the Linux kernel driver for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-8694)

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-4627-1

Plugin Details

Severity: Medium

ID: 142721

File Name: ubuntu_USN-4627-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/11/2020

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: 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:P/I:N/A:N

CVSS Score Source: CVE-2020-8694

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:H/I:N/A:N

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1058-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1073-gke, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1087-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1101-oem, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-123-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-123-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-123-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-194-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-194-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-194-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-194-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-194-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-194-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-194-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.0.0-1071-oem-osp1, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3.0-1039-gke, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3.0-69-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3.0-69-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1029-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1029-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-53-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-53-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-53-lowlatency

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2020

Vulnerability Publication Date: 11/11/2020

Reference Information

CVE: CVE-2020-8694

USN: 4627-1