CVE-2020-10768

CVE Details

Release Date:	2020-09-16
Impact:	None	What is this?

Description

A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to confidentiality.

See more information about CVE-2020-10768 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:	5.5
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5804	2020-08-10
Oracle Linux version 7 (kernel-uek)	ELSA-2020-5805	2020-08-10
Oracle Linux version 8 (kernel)	ELSA-2020-3010	2020-07-24
Oracle Linux version 8 (kernel-uek)	ELSA-2020-5805	2020-08-10