SB2018041922 - Amazon Linux AMI update for kernel



SB2018041922 - Amazon Linux AMI update for kernel

Published: April 19, 2018

Security Bulletin ID SB2018041922
Severity
Low
Patch available
YES
Number of vulnerabilities 2
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 2 secuirty vulnerabilities.


1) Memory corruption (CVE-ID: CVE-2018-5803)

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

The weakness exists in the _sctp_make_chunk() function due to boundary error. A local attacker can submit a crafted SCTP packet, trigger memory corruption and cause the service to crash.


2) Error handling (CVE-ID: CVE-2017-18232)

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

The weakness exists in the Serial Attached SCSI (SAS) implementation due to mishandling of a mutex within libsas. A local attacker can trigger certain error-handling code and cause the service to crash.

Remediation

Install update from vendor's website.