SB2017061941 - Red Hat Enterprise Linux 6 update for kernel



SB2017061941 - Red Hat Enterprise Linux 6 update for kernel

Published: June 19, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017061941
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Memory corruption (CVE-ID: CVE-2017-1000364)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to memory management errors in implementation of various functions under multiple operating systems. A local or remote attacker can trigger the affected application to process specially crafted data, trigger memory corruption and execute arbitrary code on the target system. The vulnerability is dubbed by Qualys researchers as “Stack Clash”.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


2) Race condition (CVE-ID: CVE-2017-2636)

The vulnerability allows a local user to execute arbitrary code.

Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.


Remediation

Install update from vendor's website.