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Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel regression (USN-4115-2)

critical Nessus Plugin ID 128680

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4115-2 advisory.

 USN 4115-1 fixed vulnerabilities in the Linux 4.15 kernel for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS.
 Unfortunately, as part of the update, a regression was introduced that caused a kernel crash when handling fragmented packets in some situations. This update addresses the issue.

 We apologize for the inconvenience.



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

See Also

https://ubuntu.com/security/notices/USN-4115-2

Plugin Details

Severity: Critical

ID: 128680

File Name: ubuntu_USN-4115-2.nasl

Version: 1.14

Type: local

Agent: unix

Published: 9/11/2019

Updated: 10/29/2024

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1045-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1044-kvm, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-62-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1023-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1042-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-62-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1042-gke, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-62-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1048-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1057-azure

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/11/2019

Vulnerability Publication Date: 1/3/2019

Reference Information

USN: 4115-2