CVE-2019-19768

CVE Details

Release Date:

2019-12-12

Description

In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).

See more information about CVE-2019-19768 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	7.5	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	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-2020-5866	2020-10-06
Oracle Linux version 7 (kernel)	ELSA-2020-2082	2020-05-14
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5663	2020-04-27
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5676	2020-05-11
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5866	2020-10-06
Oracle Linux version 8 (kernel)	ELSA-2020-1769	2020-05-05
Oracle Linux version 8 (kernel-uek)	ELSA-2020-5663	2020-04-27
Oracle VM version 3.4 (kernel-uek)	OVMSA-2020-0044	2020-10-09

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team