CVE-2019-14835

CVE Details

Release Date:	2019-09-17
Impact:	None	What is this?

Description

A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.

See more information about CVE-2019-14835 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:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel)	ELSA-2019-2863	2019-09-23
Oracle Linux version 6 (kernel-uek)	ELSA-2019-4850	2019-11-20
Oracle Linux version 7 (kernel)	ELSA-2019-2829	2019-09-20
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4789	2019-09-17
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4820	2019-10-11
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4850	2019-11-20
Oracle Linux version 8 (kernel)	ELSA-2019-2827	2019-09-22
Oracle VM version 3.4 (kernel-uek)	OVMSA-2019-0056	2019-11-21