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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Linux kernel regression (USN-4916-2)

info Nessus Plugin ID 148911

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4916-2 advisory.

 USN-4916-1 fixed vulnerabilities in the Linux kernel. Unfortunately, the fix for CVE-2021-3493 introduced a memory leak in some situations. This update fixes the problem.

 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-4916-2

Plugin Details

Severity: Info

ID: 148911

File Name: ubuntu_USN-4916-2.nasl

Version: 1.8

Type: Local

Agent: unix

Published: 4/21/2021

Updated: 10/29/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1093-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1128-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1152-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1156-snapdragon, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-210-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-210-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-210-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-210-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-210-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-210-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-210-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3.0-1040-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3.0-1043-gke, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3.0-74-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3.0-74-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.6.0-1055-oem

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/22/2021

Vulnerability Publication Date: 4/22/2021

Reference Information

USN: 4916-2