SB2016111617 - Information exposure in Linux kernel tty driver



SB2016111617 - Information exposure in Linux kernel tty driver

Published: November 16, 2016

Security Bulletin ID SB2016111617
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information exposure (CVE-ID: CVE-2015-8964)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to information exposure error within the export_symbol_gpl() and tty_set_termios_ldisc() functions in drivers/tty/tty_ldisc.c. A local non-authenticated attacker can gain access to sensitive information.


Remediation

Install update from vendor's website.