Bug 2272204 (CVE-2023-52629)

Summary:	CVE-2023-52629 kernel: sh: push-switch: Reorder cleanup operations to avoid use-after-free bug
Product:	[Other] Security Response	Reporter:	Mauro Matteo Cascella <mcascell>
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 6.5.4, kernel 6.6	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the push-switch driver of Linux Kernel due to improper cleanup sequence in switch_drv_remove(). Originally, flush_work() was placed before timer_shutdown_sync(), allowing the worker to potentially be rescheduled in switch_timer() and causing a use-after-free bug.	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:

Description Mauro Matteo Cascella 2024-03-29 15:38:58 UTC

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

sh: push-switch: Reorder cleanup operations to avoid use-after-free bug

The Linux kernel CVE team has assigned CVE-2023-52629 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024032949-CVE-2023-52629-a508@gregkh/T

Comment 1 Alex 2024-06-09 13:02:28 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2023-52629 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown (where first YES/NO value means if related sources built).