SB2019110416 - NULL pointer dereference in Linux kernel



SB2019110416 - NULL pointer dereference in Linux kernel

Published: November 4, 2019 Updated: November 6, 2019

Security Bulletin ID SB2019110416
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2019-18680)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the rds_tcp_kill_sock() function in net/rds/tcp.c in the Linux kernel 4.4.x before 4.4.195. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.