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Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerability (USN-2599-2)

medium Nessus Plugin ID 83333

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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-2599-2 advisory.

 USN-2599-1 fixed vulnerabilities in the Linux kernel, however an unrelated regression in the auditing of some path names was introduced. Due to the regression the system could crash under certain conditions.

 This update fixes the problem.

 We apologize for the inconvenience.

 Original advisory details:

 A race condition between chown() and execve() was discovered in the Linux

 kernel. A local attacker could exploit this race by using chown on a

 setuid-user-binary to gain administrative privileges.

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-2599-2

Plugin Details

Severity: Medium

ID: 83333

File Name: ubuntu_USN-2599-2.nasl

Version: 2.11

Type: local

Agent: unix

Published: 5/11/2015

Updated: 8/27/2024

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-37-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-37-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-37-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-37-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-37-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-37-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16.0-37-lowlatency

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/8/2015

Vulnerability Publication Date: 5/8/2015

Reference Information

BID: 74243

USN: 2599-2