CVE-2019-3900

CVE Details

Release Date:	2019-04-25
Impact:	None	What is this?

Description

An infinite loop issue was found in the vhost_net kernel module in Linux Kernel up to and including v5.1-rc6, while handling incoming packets in handle_rx(). It could occur if one end sends packets faster than the other end can process them. A guest user, maybe remote one, could use this flaw to stall the vhost_net kernel thread, resulting in a DoS scenario.

See more information about CVE-2019-3900 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.7
Vector String:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Changed
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel)	ELSA-2019-3836	2019-11-13
Oracle Linux version 6 (kernel-uek)	ELSA-2021-9459	2021-09-22
Oracle Linux version 7 (kernel)	ELSA-2019-2029	2019-08-13
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5845	2020-09-11
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9459	2021-09-22
Oracle Linux version 8 (kernel)	ELSA-2019-3517	2019-11-14
Oracle VM version 3 (kernel-uek)	OVMSA-2021-0031	2021-09-22