Ubuntu 16.04 ESM / 18.04 LTS : Linux kernel vulnerabilities (USN-5319-1)

medium Nessus Plugin ID 158728

Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5319-1 advisory.

- Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access. (CVE-2022-0001)

- Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access. (CVE-2022-0002)

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-5319-1

Plugin Details

Severity: Medium

ID: 158728

File Name: ubuntu_USN-5319-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 3/9/2022

Updated: 1/9/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2022-0002

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:esm, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1037-dell300x, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1089-oracle, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1105-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1109-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1118-gcp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1122-snapdragon, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1123-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1123-aws-hwe, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-1133-azure, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-171-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-171-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.15.0-171-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1102-kvm, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1137-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-221-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-221-lowlatency

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/9/2022

Vulnerability Publication Date: 3/7/2022

Reference Information

CVE: CVE-2022-0001, CVE-2022-0002

USN: 5319-1