Linux Kernel CVE-2018-20449 Local Information Disclosure Vulnerability

Bugtraq ID:	107786
Class:	Design Error
CVE:	CVE-2018-20449
Remote:	No
Local:	Yes
Published:	Jan 22 2019 12:00AM
Updated:	Jan 22 2019 12:00AM
Credit:	Fuqian Huang
Vulnerable:	Linux kernel 4.14.90
Not Vulnerable:

Linux Kernel CVE-2018-20449 Local Information Disclosure Vulnerability

Linux Kernel is prone to a local information-disclosure vulnerability.

Local attackers can exploit this issue to obtain sensitive information that may lead to further attacks.

Linux Kernel version 4.14.90 is vulnerable; other versions may also be affected.

Linux Kernel CVE-2018-20449 Local Information Disclosure 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 CVE-2018-20449 Local Information Disclosure Vulnerability

Solution:
Currently, we are not aware of any vendor-supplied patches. If you feel we are in error or are aware of more recent information, please mail us at: [email protected].

Linux Kernel CVE-2018-20449 Local Information Disclosure Vulnerability

References:

• Elixir Cross Referencer (Bootlin)
  
• Linux kernel Homepage (kernel.org)
  
• Red Hat Bugzilla �?? Bug 1696604 (Red Hat Bugzilla)
  
• CVE-2018-20449 kernel: reading "callback=" lines in a debugfs file in drivers/dm (Redhat)