Bug 2263394 (CVE-2023-20579)

Summary:	CVE-2023-20579 hw: amd: SPI bypass
Product:	[Other] Security Response	Reporter:	Nick Tait <ntait>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	allarkin, dfreiber, drow, jburrell, pbrobinson, security-response-team, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in AMD hardware due to improper access control in the AMD SPI protection feature. This issue may allow a local user with Ring0 (kernel mode) privileged access to bypass protections, potentially resulting in loss of integrity and availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2264236
Bug Blocks:	2263273

Description Nick Tait 2024-02-08 17:39:59 UTC

A flaw found for the AMD CPU. Improper Access Control in the AMD SPI protection feature may allow a user with Ring0 (kernel mode) privileged access to bypass protections potentially resulting in loss of integrity and availability.

Reference:
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html

Comment 5 Nick Tait 2024-02-14 17:30:12 UTC

Created linux-firmware tracking bugs for this issue:

Affects: fedora-all [bug 2264236]

Comment 6 Peter Robinson 2024-02-25 14:06:31 UTC

This is a UEFI firmware update from the device vendor, not an update in linux-firmware, these should be closed out as such.