SB2018071606 - Denial of service in Red Hat Enterprise Linux
Published: July 16, 2018
Security Bulletin ID
SB2018071606
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Denial of service (CVE-ID: CVE-2018-10872)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to a flaw in the way the Linux kernel handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, processor does not deliver interrupts and exceptions, they are delivered once the first instruction after the stack switch is executed. A remote attacker can crash the system kernel resulting in DoS.
Remediation
Install update from vendor's website.