Bug 2275590 (CVE-2024-26832)

Summary:	CVE-2024-26832 kernel: mm: zswap: fix missing folio cleanup in writeback race path
Product:	[Other] Security Response	Reporter:	Robb Gatica <rgatica>
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 6.1.80, kernel 6.6.19, kernel 6.7.7, kernel 6.8	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the Linux kernel’s `mm: zswap` subsystem. The issue occurs due to missing folio cleanup in the writeback race path. This flaw can lead to resource leaks or other unintended behaviors if the kernel fails to manage memory correctly during concurrent operations.	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:	2275591
Bug Blocks:	2275560

Description Robb Gatica 2024-04-17 16:20:47 UTC

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

mm: zswap: fix missing folio cleanup in writeback race path

The Linux kernel CVE team has assigned CVE-2024-26832 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024041714-CVE-2024-26832-77ce@gregkh/T

Comment 1 Robb Gatica 2024-04-17 16:21:21 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2275591]

Comment 2 Alex 2024-06-09 13:27:38 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-26832 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: 04fc7816089c5a32c29a04ec94b998e219dfb946	YES			NO	NO	unknown (where first YES/NO value means if related sources built).