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Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerabilities (USN-2635-1)

medium Nessus Plugin ID 84122

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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-2635-1 advisory.

 Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-0275)

 Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. (CVE-2015-3636)

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-2635-1

Plugin Details

Severity: Medium

ID: 84122

File Name: ubuntu_USN-2635-1.nasl

Version: 2.15

Type: local

Agent: unix

Published: 6/11/2015

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: 5.1

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2015-3636

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

CVSS Score Source: CVE-2015-0275

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-39-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-39-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-39-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-39-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-39-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-39-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-39-powerpc-e500mc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/10/2015

Vulnerability Publication Date: 8/5/2015

Reference Information

CVE: CVE-2015-0275, CVE-2015-3636

USN: 2635-1