CVE-2020-15436

CVE Details

Release Date:

2020-11-23

Description

Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.

See more information about CVE-2020-15436 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:	6.7	Base Metrics:	AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	High	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-2021-9002	2021-01-07
Oracle Linux version 7 (kernel)	ELSA-2021-0336	2021-02-03
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9002	2021-01-07
Oracle VM version 3.4 (kernel-uek)	OVMSA-2021-0001	2021-01-07

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