Resource exhaustion in Linux kernel - CVE-2019-3882

 

Resource exhaustion in Linux kernel - CVE-2019-3882

Published: May 2, 2019 / Updated: May 30, 2020


Vulnerability identifier: #VU18377
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-3882
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to perform denial of service (DoS) attack.

The vulnerability exists within Linux kernel's vfio interface implementation, related to incorrect permission management. A local user with administrative privileges of the device, connected to vfio-pci interface can exhaust all system resources and perform denial of service attack.


How to mitigate CVE-2019-3882

Install updates from vendor's website.

Sources