Bug 2281145 (CVE-2023-52659)

Summary:	CVE-2023-52659 kernel: x86/mm: Ensure input to pfn_to_kaddr() is treated as a 64-bit type
Product:	[Other] Security Response	Reporter:	Zack Miele <zmiele>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, allarkin, aquini, bhu, chwhite, cye, cyin, dbohanno, debarbos, dfreiber, drow, dvlasenk, esandeen, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lzampier, mleitner, mmilgram, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, scweaver, sidakwo, sukulkar, tglozar, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 6.6.23, kernel 6.7.11, kernel 6.8.2, kernel 6.9	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability in the Linux kernel affected the x86/mm code, specifically in the `pfn_to_kaddr()` macro. The issue arises when the macro does not correctly handle input as a 64-bit type, causing crashes on 64-bit platforms, especially for SEV-SNP guests, when processing addresses above the 1TB range.	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:	2281146
Bug Blocks:	2281733

Description Zack Miele 2024-05-17 22:38:13 UTC

In the Linux kernel, the following vulnerability has been resolved:

x86/mm: Ensure input to pfn_to_kaddr() is treated as a 64-bit type

The Linux kernel CVE team has assigned CVE-2023-52659 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024051755-CVE-2023-52659-6f51@gregkh/T

Comment 1 Zack Miele 2024-05-17 22:38:49 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2281146]

Comment 3 Alex 2024-06-09 14:20:18 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2023-52659 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown	 (where first YES/NO value means if related sources built).

Comment 4 errata-xmlrpc 2024-11-12 09:26:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9315 https://access.redhat.com/errata/RHSA-2024:9315