Bug 2273470 (CVE-2024-26781)

Summary:	CVE-2024-26781 kernel: mptcp: fix possible deadlock in subflow diag
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, scweaver, sidakwo, sukulkar, tglozar, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.10.212, kernel 5.15.151, kernel 6.1.81, kernel 6.6.21, kernel 6.7.9	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the Linux kernel’s MPTCP (Multipath TCP) subsystem that could lead to a deadlock in the subflow diagnostic code. This issue could potentially cause the system to become unresponsive under certain conditions.	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:	2273471
Bug Blocks:	2273418

Description Robb Gatica 2024-04-04 17:01:09 UTC

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

mptcp: fix possible deadlock in subflow diag

The Linux kernel CVE team has assigned CVE-2024-26781 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024040458-CVE-2024-26781-0389@gregkh/T

Comment 1 Robb Gatica 2024-04-04 17:01:46 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2273471]