SB2017062801 - Denial of service in Linux kernel
Published: June 28, 2017 Updated: June 29, 2017
Security Bulletin ID
SB2017062801
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Denial of service (CVE-ID: CVE-2017-8797)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the Linux kernel NFSv4 Server due to insufficient validation of user-supplied input. A remote attacker on a system within the target mount's host address mask rang can send a specially crafted NFSv4 pNFS LAYOUTGET command via UDP, trigger an array deference error and cause the system to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.