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Ubuntu 16.04 ESM / 18.04 LTS : Linux kernel vulnerability (USN-5357-2)

high Nessus Plugin ID 159386

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-5357-2 advisory.

 It was discovered that the IPsec implementation in the Linux kernel did not properly allocate enough memory when performing ESP transformations, leading to a heap-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

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-5357-2

Plugin Details

Severity: High

ID: 159386

File Name: ubuntu_USN-5357-2.nasl

Version: 1.10

Type: local

Agent: unix

Published: 4/1/2022

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.8

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

CVSS Score Source: CVE-2022-27666

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.2

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:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1120-gcp, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1136-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1126-aws-hwe, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1091-oracle, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1126-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1107-raspi2

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/31/2022

Vulnerability Publication Date: 3/23/2022

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2022-27666

USN: 5357-2