Bug 2228101

Summary:	kernel: UBSAN: OOB in do_journal_end with the fail of array-index-out-of-bounds in fs reiserfs
Product:	[Other] Security Response	Reporter:	Alex <allarkin>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dvlasenk, ezulian, hkrzesin, jarod, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, ldoskova, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, rrobaina, rvrbovsk, rysulliv, scweaver, tglozar, tyberry, walters, wcosta, williams, wmealing, ycote, ymankad
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bounds memory access flaw was found in the Linux kernel’s do_journal_end function when the fails array-index-out-of-bounds in fs/reiserfs/journal.c could happen. This flaw allows a local user to crash the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-08-01 19:01:49 UTC	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:	2228102
Bug Blocks:	2228094

Description Alex 2023-08-01 12:10:36 UTC

A flaw in the Linux Kernel found. Out of bounds memory access can happen in do_journal_end function when fail array-index-out-of-bounds in fs/reiserfs/journal.c happens.

Reference:
https://www.spinics.net/lists/kernel/msg4876594.html

Comment 1 Alex 2023-08-01 12:11:02 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2228102]

Comment 4 Pedro Sampaio 2023-08-10 18:20:19 UTC

CVE-2023-4205 was rejected per https://lore.kernel.org/linux-fsdevel/20230809153207.zokdmoco4lwa5s6b@quack3/.