SB2019091919 - Infinite loop in Linux kernel
Published: September 19, 2019 Updated: September 20, 2019
Security Bulletin ID
SB2019091919
Severity
Medium
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) Infinite loop (CVE-ID: CVE-2019-16413)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when the 9p filesystem does not protect "i_size_write()" properly. A remote attacker can consume all available system resources and cause causes an "i_size_read()" infinite loop and denial of service on SMP systems.
Remediation
Install update from vendor's website.