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Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-2204-1)

high Nessus Plugin ID 73893

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-2204-1 advisory.

 - The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the LECHO & !OPOST case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings. (CVE-2014-0196)

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-2204-1

Plugin Details

Severity: High

ID: 73893

File Name: ubuntu_USN-2204-1.nasl

Version: 1.17

Type: local

Agent: unix

Published: 5/6/2014

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: High

Score: 8.8

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 6

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

CVSS Score Source: CVE-2014-0196

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-24-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-24-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-24-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-24-powerpc-e500, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-24-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-24-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-24-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-24-powerpc64-smp, cpe:/o:canonical:ubuntu_linux:14.04:-:lts

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: 5/5/2014

Vulnerability Publication Date: 5/7/2014

CISA Known Exploited Vulnerability Due Dates: 6/2/2023

Exploitable With

CANVAS (CANVAS)

Core Impact

Reference Information

CVE: CVE-2014-0196

USN: 2204-1