SB2018051518 - Red Hat update for Linux Kernel
Published: May 15, 2018
Security Bulletin ID
SB2018051518
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Error handling (CVE-ID: CVE-2018-1000199)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the modify_user_hw_breakpoint() function due to error handling flaw. A local attacker can cause the service to crash.
2) Information disclosure (CVE-ID: CVE-2017-5754)
The vulnerability allows a local attacker to obtain potentially sensitive information.
The vulnerability exists in Intel CPU hardware due to side-channel attacks, which are also referred to as Meltdown attacks. A local attacker can execute arbitrary code, perform a side-channel analysis of the data cache and gain access to sensitive information including memory from the CPU cache.
Remediation
Install update from vendor's website.