Bug 2281274 (CVE-2024-35844)

Summary:	CVE-2024-35844 kernel: f2fs: compress: fix reserve_cblocks counting error when out of space
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, rysulliv, scweaver, sidakwo, sukulkar, tglozar, tyberry, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.15.153, kernel 6.1.83, 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 was found in the Linux kernel's Flash-Friendly File System (F2FS), affecting the handling of compressed files. This issue involves an error in counting reserved blocks (reserve_cblocks) when the filesystem is out of space, and can lead to incorrect calculations of available space, causing filesystem corruption or denial of service.	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:	2281275
Bug Blocks:	2281767

Description Zack Miele 2024-05-18 00:40:36 UTC

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

f2fs: compress: fix reserve_cblocks counting error when out of space

The Linux kernel CVE team has assigned CVE-2024-35844 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024051718-CVE-2024-35844-7ddb@gregkh/T

Comment 1 Zack Miele 2024-05-18 00:41:12 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2281275]

Comment 2 Alex 2024-06-09 14:26:05 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-35844 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown	 (where first YES/NO value means if related sources built).