CVE-2019-12819

CVE Details

Release Date:	2019-06-13
Impact:	None	What is this?

Description

An issue was discovered in the Linux kernel before 5.0. The function __mdiobus_register() in drivers/net/phy/mdio_bus.c calls put_device(), which will trigger a fixed_mdio_bus_init use-after-free. This will cause a denial of service.

See more information about CVE-2019-12819 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:	5.5
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2020-5708	2020-06-03
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5708	2020-06-03
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5715	2020-06-09
Oracle VM version 3.4 (kernel-uek)	OVMSA-2020-0020	2020-06-05