Linux Kernel 'drivers/char/virtio_console.c' Local Denial of Service Vulnerability

Bugtraq ID:	97997
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2017-8067
Remote:	No
Local:	Yes
Published:	Apr 23 2017 12:00AM
Updated:	Jun 07 2017 01:02PM
Credit:	The vendor reported this issue.
Vulnerable:	Ubuntu Ubuntu Linux 17.04 Linux kernel 4.10.10 Linux kernel 4.10.6 Linux kernel 4.10.4 Linux kernel 4.10 Linux kernel 4.9.13 Linux kernel 4.9.4 Linux kernel 4.9.3 Linux kernel 4.9.9 Linux kernel 4.9.11 Linux kernel 4.10.9 Linux kernel 4.10.8 Linux kernel 4.10.7 Linux kernel 4.10.5 Linux kernel 4.10.2 Linux kernel 4.10.11
Not Vulnerable:	Linux kernel 4.10.12

Linux Kernel 'drivers/char/virtio_console.c' Local Denial of Service Vulnerability

The Linux Kernel is prone to a local denial-of-service vulnerability.

A local attacker can exploit this issue to crash the affected application resulting in denial-of-service conditions.

Linux Kernel versions 4.9.x and 4.10.x prior to 4.10.12 are vulnerable.

Linux Kernel 'drivers/char/virtio_console.c' Local 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 'drivers/char/virtio_console.c' Local Denial of Service Vulnerability

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

Linux Kernel 'drivers/char/virtio_console.c' Local Denial of Service Vulnerability

References:

• Linux kernel Homepage (kernel.org)
  
• virtio-console: avoid DMA from stack (Linux)