SB2017120406 - Denial of service in Linux Kernel 



SB2017120406 - Denial of service in Linux Kernel

Published: December 4, 2017

Security Bulletin ID SB2017120406
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2018-1066)

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() function due to NULL pointer dereference. A remote attacker can cause the service to crash.

Remediation

Install update from vendor's website.