CVE-2020-36557

CVE Details

Release Date:

2022-07-21

Description

A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.

See more information about CVE-2020-36557 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:	5.1	Base Metrics:	AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Local network	Attack Complexity:	High
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-2022-9761	2022-09-06
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9761	2022-09-06
Oracle VM version 3 (kernel-uek)	OVMSA-2022-0024	2022-09-06

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