SB2017012202 - Denial of service in Linux Kernel
Published: January 22, 2017
Security Bulletin ID
SB2017012202
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2017-18257)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in get_data_block function of the fs/f2fs/data.c library due to improper validation of user-supplied input. A local attacker can run a specially crafted program, designed to send malicious requests to the Linux Kernel and cause the system to stop responding.
Remediation
Install update from vendor's website.