SB2018090511 - Red Hat update for kernel
Published: September 5, 2018
Security Bulletin ID
SB2018090511
Severity
Low
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) Resource exhaustion (CVE-ID: CVE-2018-5390)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to the system uses an inefficient TCP reassembly algorithm. A remote attacker can send specially crafted packets within ongoing TCP sessions to consume excessive CPU resources and cause the service to crash.
Note: The issue has been called "SegmentSmack".
Remediation
Install update from vendor's website.