Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-2999-1)

high Nessus Plugin ID 91561

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-2999-1 advisory.

- The ecryptfs_privileged_open function in fs/ecryptfs/kthread.c in the Linux kernel before 4.6.3 allows local users to gain privileges or cause a denial of service (stack memory consumption) via vectors involving crafted mmap calls for /proc pathnames, leading to recursive pagefault handling. (CVE-2016-1583)

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-2999-1

Plugin Details

Severity: High

ID: 91561

File Name: ubuntu_USN-2999-1.nasl

Version: 2.13

Type: local

Agent: unix

Published: 6/10/2016

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2016-1583

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-88-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-88-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-88-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-88-powerpc-e500, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-88-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-88-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-88-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-88-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: 6/10/2016

Vulnerability Publication Date: 6/27/2016

Reference Information

CVE: CVE-2016-1583

USN: 2999-1