Infinite loop in Linux kernel - CVE-2019-16413
Published: September 20, 2019
Vulnerability identifier: #VU21233
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-16413
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2019-16413
Install updates from vendor's website.