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Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-7021-4)

high Nessus Plugin ID 208067

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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 a package installed that is affected by multiple vulnerabilities as referenced in the USN-7021-4 advisory.

 Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

 - GPU drivers;

 - BTRFS file system;

 - F2FS file system;

 - GFS2 file system;

 - BPF subsystem;

 - Netfilter;

 - RxRPC session sockets;

 - Integrity Measurement Architecture(IMA) framework; (CVE-2024-41009, CVE-2024-26677, CVE-2024-42160, CVE-2024-39494, CVE-2024-39496, CVE-2024-38570, CVE-2024-27012, CVE-2024-42228)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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-7021-4

Plugin Details

Severity: High

ID: 208067

File Name: ubuntu_USN-7021-4.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/3/2024

Updated: 10/3/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2024-42160

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-5.15.0-1073-azure-fde, cpe:/o:canonical:ubuntu_linux:20.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/3/2024

Vulnerability Publication Date: 4/2/2024

Reference Information

CVE: CVE-2024-26677, CVE-2024-27012, CVE-2024-38570, CVE-2024-39494, CVE-2024-39496, CVE-2024-41009, CVE-2024-42160, CVE-2024-42228

USN: 7021-4