CVE-2021-42739

CVE Details

Release Date:

2021-10-20

Description

A heap-based buffer overflow flaw was found in the Linux kernel FireDTV media card driver, where the user calls the CA_SEND_MSG ioctl. This flaw allows a local user of the host machine to crash the system or escalate privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

See more information about CVE-2021-42739 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-2022-9969	2022-11-01
Oracle Linux version 7 (kernel)	ELSA-2022-0063	2022-01-11
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9969	2022-11-01
Oracle Linux version 8 (kernel)	ELSA-2022-1988	2022-05-17
Oracle VM version 3 (kernel-uek)	OVMSA-2022-0027	2022-11-02

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