Bug 2282439 (CVE-2021-47322)

Summary:	CVE-2021-47322 kernel: NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT
Product:	[Other] Security Response	Reporter:	ybuenos
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, mbenatto, mleitner, mmilgram, mstowell, nmurray, ptalbert, rkeshri, 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 5.10.52, kernel 5.12.19, kernel 5.13.4, kernel 5.14	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the pnfs_mark_request_commit() function in the Linux kernel's NFSv4 module. This issue can occur when attempting to reschedule write operations after a failed pNFS attempt, leading to a system crash or "Oops" condition.	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:
Bug Blocks:	2282500

Description ybuenos 2024-05-22 11:58:29 UTC

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

NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT

The Linux kernel CVE team has assigned CVE-2021-47322 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024052132-CVE-2021-47322-e9cb@gregkh/T

Comment 3 Alex 2024-06-09 13:55:13 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-47322 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: 9c455a8c1e14	YES			NO	YES	unknown	 (where first YES/NO value means if related sources built).

Comment 6 ybuenos 2024-07-21 19:18:02 UTC

Tagging @rkeshri for the above question