SB2017061941 - Red Hat Enterprise Linux 6 update for kernel
Published: June 19, 2017 Updated: April 24, 2025
Breakdown by Severity
- 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.