Ubuntu 19.10 : Linux kernel vulnerability (USN-4253-1)

medium Nessus Plugin ID 133292

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors.
A local attacker could use this to expose sensitive information.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

See Also

https://usn.ubuntu.com/4253-1/

Plugin Details

Severity: Medium

ID: 133292

File Name: ubuntu_USN-4253-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 1/28/2020

Updated: 3/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.5

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

CVSS Score Source: CVE-2019-14615

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:19.10, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-virtual, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3-snapdragon, p-cpe:/a:canonical:ubuntu_linux:linux-image-5.3-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency

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: 1/28/2020

Vulnerability Publication Date: 1/17/2020

Reference Information

CVE: CVE-2019-14615

USN: 4253-1