SB2018010421 - Denial of service in Linux Kernel



SB2018010421 - Denial of service in Linux Kernel

Published: January 4, 2018 Updated: March 12, 2018

Security Bulletin ID SB2018010421
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) Memory leak (CVE-ID: CVE-2018-7757)

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

The weakness exists in the drivers/scsi/libsas/sas_expander.c source code in the sas_smp_get_phy_events function due to memory leak. A local attacker can trigger memory corruption and cause the system to crash.

Remediation

Install update from vendor's website.