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Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-3908-1)

medium Nessus Plugin ID 122813

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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-3908-1 advisory.

 Jann Horn discovered a race condition in the fork() system call in the Linux kernel. A local attacker could use this to gain access to services that cache authorizations.

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-3908-1

Plugin Details

Severity: Medium

ID: 122813

File Name: ubuntu_USN-3908-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 3/13/2019

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

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

CVSS Score Source: CVE-2019-6133

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-166-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-166-lowlatency, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-166-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-166-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-166-powerpc-e500, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-166-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-166-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-166-powerpc64-emb

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/12/2019

Vulnerability Publication Date: 1/11/2019

Reference Information

CVE: CVE-2019-6133

USN: 3908-1