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Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7907-1)

high Nessus Plugin ID 277451

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Synopsis

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

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7907-1 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:

 - Cryptographic API;

 - ACPI drivers;

 - Hardware monitoring drivers;

 - InfiniBand drivers;

 - Mailbox framework;

 - Network drivers;

 - AFS file system;

 - Ceph distributed file system;

 - Network file system (NFS) server daemon;

 - NILFS2 file system;

 - File systems infrastructure;

 - KVM subsystem;

 - L3 Master device support module;

 - Tracing infrastructure;

 - Memory management;

 - Appletalk network protocol;

 - Netfilter;

 - Open vSwitch; (CVE-2021-47385, CVE-2022-49026, CVE-2022-49390, CVE-2024-49935, CVE-2024-49963, CVE-2024-50067, CVE-2024-50095, CVE-2024-50179, CVE-2024-53090, CVE-2024-53112, CVE-2024-53217, CVE-2024-58083, CVE-2025-21715, CVE-2025-21722, CVE-2025-21761, CVE-2025-21791, CVE-2025-21811, CVE-2025-21855, CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-40018)

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-7907-1

Plugin Details

Severity: High

ID: 277451

File Name: ubuntu_USN-7907-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 12/4/2025

Updated: 12/4/2025

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-2025-21855

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-4.15.0-245-lowlatency, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1187-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-245-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1149-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1169-kvm

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/3/2025

Vulnerability Publication Date: 1/28/2022

Reference Information

CVE: CVE-2021-47385, CVE-2022-49026, CVE-2022-49390, CVE-2024-49935, CVE-2024-49963, CVE-2024-50067, CVE-2024-50095, CVE-2024-50179, CVE-2024-53090, CVE-2024-53112, CVE-2024-53217, CVE-2024-58083, CVE-2025-21715, CVE-2025-21722, CVE-2025-21761, CVE-2025-21791, CVE-2025-21811, CVE-2025-21855, CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-40018

USN: 7907-1