CVE-2018-20856

CVE Details

Release Date:

2019-07-26

Description

An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.

See more information about CVE-2018-20856 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:	7.8	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Local network	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-uek)	ELSA-2020-5866	2020-10-06
Oracle Linux version 7 (kernel)	ELSA-2019-3055	2019-10-16
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5866	2020-10-06
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