Bug 2278413 (CVE-2024-27054)

Summary:	CVE-2024-27054 kernel: s390/dasd: fix double module refcount decrement
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-rc1	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the dasd_generic_set_online() function in the Linux Kernel's s390 dasd.c driver, where improper reference count handling on error paths can lead to the refcount value being decreased twice, resulting in an incorrect underflow. This issue can lead to system instability.	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:	2278414
Bug Blocks:	2278552

Description Zack Miele 2024-05-01 20:21:04 UTC

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

s390/dasd: fix double module refcount decrement

The Linux kernel CVE team has assigned CVE-2024-27054 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024050115-CVE-2024-27054-b0ff@gregkh/T

Comment 1 Zack Miele 2024-05-01 20:21:37 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2278414]

Comment 2 Alex 2024-06-09 13:05:43 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-27054 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown (where first YES/NO value means if related sources built).