Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4915-1)

high Nessus Plugin ID 148689

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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-4915-1 advisory. 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 linux-image-5.6.0-1054-oem and / or linux-image-oem-20.04 packages.

See Also

https://ubuntu.com/security/notices/USN-4915-1

Plugin Details

Severity: High

ID: 148689

File Name: ubuntu_USN-4915-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 4/16/2021

Updated: 1/21/2022

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

Risk Information

CVSS Score Source: CVE-2021-3493

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.6.0-1054-oem, p-cpe:/a:canonical:ubuntu_linux:linux-image-oem-20.04

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: 4/15/2021

Vulnerability Publication Date: 4/15/2021

Exploitable With

Metasploit (2021 Ubuntu Overlayfs LPE)

Reference Information

CVE: CVE-2021-3492, CVE-2021-3493

USN: 4915-1