CVE-2020-35508

CVE Details

Release Date:	2021-03-26
Impact:	None	What is this?

Description

A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.

See more information about CVE-2020-35508 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	4.5
Vector String:	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Version:	3.0
Attack Vector:	Local
Attack Complexity:	High
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	Low
Integrity Impact:	Low
Availability Impact:	Low

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2021-9215	2021-05-06
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9215	2021-05-06
Oracle Linux version 8 (kernel)	ELSA-2021-1578	2021-05-25
Oracle VM version 3 (kernel-uek)	OVMSA-2021-0016	2021-05-06