CVE-2021-33655

CVE Details

Release Date:

2022-07-18

Description

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

See more information about CVE-2021-33655 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-2022-9761	2022-09-06
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9761	2022-09-06
Oracle Linux version 8 (kernel)	ELSA-2023-2951	2023-05-23
Oracle Linux version 9 (kernel)	ELSA-2023-2458	2023-05-15
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