Bug 2171252 (CVE-2022-33196)

Summary:	CVE-2022-33196 kernel: Intel firmware update for Incorrect default permissions in some memory controller configurations
Product:	[Other] Security Response	Reporter:	Alex <allarkin>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	arachman, dfreiber, jburrell, jfindysz, jforbes, lveyde, michal.skrivanek, mperina, nobody, rogbas, sbalasub, 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 flaw was found in the Linux kernel. Some Intel(R) Xeon(R) processors with Intel® Software Guard Extensions (SGX) may allow privilege escalation. This issue may allow a privileged user to enable privilege escalation via local access.	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:	2171253, 2171254, 2171255, 2171256, 2171257, 2171258, 2171259, 2171260, 2171261, 2171262, 2171263, 2171264
Bug Blocks:	2169989

Description Alex 2023-02-19 12:03:13 UTC

A potential security vulnerability in some Intel(R) Xeon(R) Processors with Intel(R) Software Guard Extensions (SGX) may allow escalation of privilege.  Intel is releasing firmware updates to mitigate this potential vulnerability.

References:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00738.html
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20230214

Comment 1 Alex 2023-02-19 12:03:31 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2171253]

Comment 4 Justin M. Forbes 2023-03-01 19:45:50 UTC

Not sure why there are kernel bugs for these, it seems all mitigation is in microcode with would be microcode_ctl updates.

Comment 7 errata-xmlrpc 2023-09-19 01:08:45 UTC

This issue has been addressed in the following products:

  Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

Via RHSA-2023:5209 https://access.redhat.com/errata/RHSA-2023:5209