SB2017103111 - Ubuntu update for Linux kernel (Trusty HWE)
Published: October 31, 2017
Security Bulletin ID
SB2017103111
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2016-8632)
The vulnerability allows a local user to cause kernel panic or escalate privileges.
The vulnerability exists due to a boundary error during minimum bearer MTU check within the tipc_msg_build() function. A local user can set a very short MTU, trigger stack-based buffer overflow and cause kernel panic or execute arbitrary code on the target system with elevated privileges.
Successful exploitation of the vulnerability may allow an attacker to cause kernel panic or escalate privileges on the system.
Remediation
Install update from vendor's website.