SB2019022606 - Denial of service in Linux kernel
Published: February 26, 2019
Security Bulletin ID
SB2019022606
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) Resource exhaustion (CVE-ID: CVE-2018-20784)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an error in resource management within the update_blocked_averages function in kernel/sched/fair.c when processing leaf cfs_rq's. A local user can cause resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.