SB2017060106 - Denial of service in Linux Kernel
Published: June 1, 2017
Security Bulletin ID
SB2017060106
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) NULL pointer dereference (CVE-ID: CVE-2017-18241)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the fs/f2fs/segment.c source code file due to the use of the noflush_merge option, which could trigger a NULL value for a flush_cmd_control data structure. A local attacker can trigger NULL pointer dereference and kernel panic and cause the service to crash.
Remediation
Install update from vendor's website.