Linux Kernel VFS 'pivot_root()' Function Denial of Service Vulnerability

Bugtraq ID:	70319
Class:	Design Error
CVE:	CVE-2014-7970
Remote:	No
Local:	Yes
Published:	Oct 08 2014 12:00AM
Updated:	Apr 13 2015 08:03PM
Credit:	Andy Lutomirski
Vulnerable:	Ubuntu Ubuntu Linux 12.04 LTS i386 Ubuntu Ubuntu Linux 12.04 LTS amd64 Oracle Enterprise Linux 6.2 Oracle Enterprise Linux 6 Linux kernel
Not Vulnerable:

Linux Kernel VFS 'pivot_root()' Function Denial of Service Vulnerability

The Linux kernel VFS is prone to a denial-of-service vulnerability.

Successfully exploiting this issue will allow an attacker to cause a denial-of-service condition.

Linux Kernel VFS 'pivot_root()' Function Denial of Service Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Linux Kernel VFS 'pivot_root()' Function Denial of Service Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Linux Kernel VFS 'pivot_root()' Function Denial of Service Vulnerability

References:

• Linux kernel Homepage (kernel.org)
  
• CVE-2014-7970: Linux VFS denial of service (SecLists.Org)
  
• Security Bulletin: PowerKVM Kernel Vulnerabilities - Multiple CVEs (IBM)