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Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerabilities (USN-2564-1)

high Nessus Plugin ID 82695

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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-2564-1 advisory.

 An integer overflow was discovered in the stack randomization feature of the Linux kernel on 64 bit platforms. A local attacker could exploit this flaw to bypass the Address Space Layout Randomization (ASLR) protection mechanism. (CVE-2015-1593)

 An information leak was discovered in the Linux Kernel's handling of userspace configuration of the link layer control (LLC). A local user could exploit this flaw to read data from other sysctl settings.
 (CVE-2015-2041)

 An information leak was discovered in how the Linux kernel handles setting the Reliable Datagram Sockets (RDS) settings. A local user could exploit this flaw to read data from other sysctl settings.
 (CVE-2015-2042)

 A memory corruption flaw was discovered in the Linux kernel's scsi subsystem. A local attacker could potentially exploit this flaw to cause a denial of service (system crash). (CVE-2015-4036)

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-2564-1

Plugin Details

Severity: High

ID: 82695

File Name: ubuntu_USN-2564-1.nasl

Version: 1.13

Type: local

Agent: unix

Published: 4/10/2015

Updated: 8/27/2024

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-2015-4036

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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:P/RL:O/RC:C

CVSS Score Source: CVE-2015-2041

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-34-powerpc-e500mc, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-34-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-34-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-34-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-34-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-34-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-34-powerpc64-smp

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: 4/9/2015

Vulnerability Publication Date: 3/16/2015

Reference Information

CVE: CVE-2015-1593, CVE-2015-2041, CVE-2015-2042, CVE-2015-4036

USN: 2564-1