Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4689-2)

high Nessus Plugin ID 144869

Synopsis

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

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4689-2 advisory.

- NVIDIA GPU Display Driver for Windows and Linux, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape or IOCTL in which user-mode clients can access legacy privileged APIs, which may lead to denial of service, escalation of privileges, and information disclosure. (CVE-2021-1052)

- NVIDIA GPU Display Driver for Windows and Linux, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape or IOCTL in which improper validation of a user pointer may lead to denial of service. (CVE-2021-1053)

- NVIDIA GPU Display Driver for Linux, all versions, contains a vulnerability in the kernel mode layer (nvidia.ko) in which it does not completely honor operating system file system permissions to provide GPU device-level isolation, which may lead to denial of service or information disclosure. (CVE-2021-1056)

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-4689-2

Plugin Details

Severity: High

ID: 144869

File Name: ubuntu_USN-4689-2.nasl

Version: 1.7

Type: local

Agent: unix

Published: 1/12/2021

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: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2021-1052

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1063-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1092-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1104-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-130-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-130-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-130-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1034-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1035-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-1036-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-60-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-60-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.4.0-60-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.6.0-1042-oem, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.8.0-36-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.8.0-36-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.8.0-36-lowlatency

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: 1/11/2021

Vulnerability Publication Date: 1/8/2021

Reference Information

CVE: CVE-2021-1052, CVE-2021-1053, CVE-2021-1056

USN: 4689-2