Bug 2292300 (CVE-2023-46103)

Summary:	CVE-2023-46103 intel-microcode: Unexpected behavior in Intel(R) Core(TM) Ultra Processors
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	tristan.yu
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in intel-microcode. The sequence of processor instructions leads to unexpected behavior in Intel(R) Core(TM) Ultra processors that may allow an authenticated user to enable a denial of service 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:	2292301, 2295853
Bug Blocks:	2292304

Description Pedro Sampaio 2024-06-14 01:18:18 UTC

Sequence of processor instructions leads to unexpected behavior in Intel(R) Core(TM) Ultra Processors may allow an authenticated user to potentially enable denial of service via local access.

References:

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01052.html
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20240514

Comment 1 Pedro Sampaio 2024-06-14 01:18:31 UTC

Created microcode_ctl tracking bugs for this issue:

Affects: fedora-all [bug 2292301]

Comment 3 errata-xmlrpc 2024-11-12 10:31:59 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9401 https://access.redhat.com/errata/RHSA-2024:9401

Comment 4 tr1st0nyu 2024-12-12 02:51:01 UTC

Is this issue also addressed in Redhat8? Thanks!
rpm -qa |grep microcode
microcode_ctl-20240910-1.el8_10.x86_64