Bug 2268331 (CVE-2023-52587)

Summary:	CVE-2023-52587 kernel: IB/ipoib: Fix mcast list locking
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, jforbes, 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 4.19.307, kernel 5.4.269, kernel 5.10.210, kernel 5.15.149, kernel 6.1.77, kernel 6.6.16, kernel 6.7.4, kernel 6.8-rc1	Doc Type:	If docs needed, set a value
Doc Text:	A hard lockup flaw was found in the Linux kernel’s IPoIB driver in how a user triggers the ipoib_mcast_join_task() function, caused by invalid priv->multicast_list locking. This flaw allows a local user to crash the system.	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:	2268332
Bug Blocks:	2268346

Description Zack Miele 2024-03-06 22:27:59 UTC

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

IB/ipoib: Fix mcast list locking

The Linux kernel CVE team has assigned CVE-2023-52587 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024030644-CVE-2023-52587-5479@gregkh/T

Comment 1 Zack Miele 2024-03-06 22:28:31 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2268332]

Comment 2 Justin M. Forbes 2024-03-07 23:42:08 UTC

This was fixed for Fedora with the 6.7.4 stable kernel updates.