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.

Comment 9 Alex 2024-06-09 15:17:11 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2023-52587 is: CHECK	Maybe valid. Check manually. with impact MODERATE (that is approximation based on flags LOCK DANGER  ; these flags parsed automatically based on patche data). Such automatic check happens only for Low/Moderates (and only when not from reporter, but parsing already existing CVE). Highs always checked manually (I check it myself and then we check it again in Remediation team). In rare cases some of the Moderates could be increased to High later.