Bug 2177122 (AMD-SN-1041, CVE-2022-23829)

Summary:	CVE-2022-23829 hw: amd: SPI protection feature may result in a potential arbitrary code execution.
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	acaringi, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dvlasenk, ezulian, fhrbata, hkrzesin, jarod, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, lgoncalv, nmurray, pdelbell, ptalbert, qzhao, rvrbovsk, scweaver, security-response-team, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in AMD SPI. The protection features may allow a malicious attacker with Ring0 kernel mode access to bypass the native System Management Mode (SMM) ROM protections.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	2159816

Description Rohit Keshri 2023-03-10 04:41:56 UTC

In a setup where an AMD CPU or APU is connected to ROM through a SPI (Serial Peripheral Interface) connection, a potential weakness in SPI protection features may allow an attacker to bypass the native System Management Mode (SMM) ROM protections.

Reference:
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1041