SB2019072810 - Out-of-bounds read in Linux kernel



SB2019072810 - Out-of-bounds read in Linux kernel

Published: July 28, 2019 Updated: July 17, 2020

Security Bulletin ID SB2019072810
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 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2015-9289)

The vulnerability allows a local authenticated user to gain access to sensitive information.

In the Linux kernel before 4.1.4, a buffer overflow occurs when checking userspace params in drivers/media/dvb-frontends/cx24116.c. The maximum size for a DiSEqC command is 6, according to the userspace API. However, the code allows larger values such as 23.


Remediation

Install update from vendor's website.