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Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerabilities (USN-2798-1)

high Nessus Plugin ID 86788

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Synopsis

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

Description

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2798-1 advisory.

 It was discovered that in certain situations, a directory could be renamed outside of a bind mounted location. An attacker could use this to escape bind mount containment and gain access to sensitive information. (CVE-2015-2925)

 Moein Ghasemzadeh discovered that the USB WhiteHEAT serial driver contained hardcoded attributes about the USB devices. An attacker could construct a fake WhiteHEAT USB device that, when inserted, causes a denial of service (system crash). (CVE-2015-5257)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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-2798-1

Plugin Details

Severity: High

ID: 86788

File Name: ubuntu_USN-2798-1.nasl

Version: 2.14

Type: local

Agent: unix

Published: 11/6/2015

Updated: 8/28/2024

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: 6.9

Temporal Score: 5.4

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

CVSS Score Source: CVE-2015-2925

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

CVSS Score Source: CVE-2015-5257

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-32-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-32-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-32-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-32-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-32-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-32-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-32-generic-lpae

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/5/2015

Vulnerability Publication Date: 11/16/2015

Reference Information

CVE: CVE-2015-2925, CVE-2015-5257

USN: 2798-1