Bug 2260046 (CVE-2024-23851)

Summary:	CVE-2024-23851 kernel: copy_params can attempt to allocate more than INT_MAX bytes and crash
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, agk, allarkin, bhu, chwhite, cye, cyin, dbohanno, debarbos, dfreiber, drow, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lzampier, mmilgram, mstowell, nmurray, ptalbert, rgatica, rparrazo, rrobaina, rvrbovsk, rysulliv, scweaver, tglozar, tyberry, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
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 vulnerability was found in copy_params in drivers/md/dm-ioctl.c in the Linux kernel, where it can attempt to allocate more than INT_MAX bytes and crash due to a missing param_kernel->data_size check. This issue is related to ctl_ioctl.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2024-02-28 15:04:17 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:	2260047
Bug Blocks:	2260037

Description Rohit Keshri 2024-01-24 08:24:52 UTC

copy_params in drivers/md/dm-ioctl.c in the Linux kernel through 6.7.1 can attempt to allocate more than INT_MAX bytes, and crash, because of a missing param_kernel->data_size check. This is related to ctl_ioctl.

https://www.spinics.net/lists/dm-devel/msg56574.html
https://www.spinics.net/lists/dm-devel/msg56694.html

Comment 1 Rohit Keshri 2024-01-24 08:34:24 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2260047]

Comment 5 Alex 2024-02-28 15:04:17 UTC


*** This bug has been marked as a duplicate of bug 2263856 ***

Comment 7 Ben Marzinski 2024-04-19 20:20:13 UTC

*** Bug 2275620 has been marked as a duplicate of this bug. ***