Bug 2282564 (CVE-2021-47248)

Summary:	CVE-2021-47248 kernel: udp: fix race between close() and udp_abort()
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, lzampier, mbenatto, 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 4.9.274, kernel 4.14.238, kernel 4.19.196, kernel 5.4.128, kernel 5.10.46, kernel 5.12.13, kernel 5.13	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the Linux kernel's UDP implementation, where a race condition exists between the close() and udp_abort() functions. This race can cause a system panic during socket operations, leading to unexpected crashes	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:	2282975

Description ybuenos 2024-05-22 14:55:05 UTC

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

udp: fix race between close() and udp_abort()

The Linux kernel CVE team has assigned CVE-2021-47248 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024052143-CVE-2021-47248-2609@gregkh/T