Bug 2215839 (CVE-2023-35828)

Summary:	CVE-2023-35828 kernel: renesas_usb3: race condition leading to use-after-free in renesas_usb3_remove()
Product:	[Other] Security Response	Reporter:	TEJ RATHI <trathi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, ldoskova, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rogbas, rrobaina, rvrbovsk, rysulliv, scweaver, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote, ymankad
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 6.4-rc1	Doc Type:	If docs needed, set a value
Doc Text:	A race condition was found in the Linux kernel's Renesas USB3.0 controller when removing the module before cleanup in the usbhs_remove function. This can result in a use-after-free issue, possibly leading to a system crash or other undefined behaviors.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-06-19 20:40:04 UTC	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:	2186169
Bug Blocks:	2215849

Description TEJ RATHI 2023-06-19 06:19:01 UTC

An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in renesas_usb3_remove in drivers/usb/gadget/udc/renesas_usb3.c.

https://lore.kernel.org/lkml/CAJedcCwkuznS1kSTvJXhzPoavcZDWNhNMshi-Ux0spSVRwU=RA@mail.gmail.com/T/
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2b947f8769be8b8181dc795fd292d3e7120f5204
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
https://lore.kernel.org/all/20230327121700.52d881e0@canb.auug.org.au/

Comment 1 Mauro Matteo Cascella 2023-06-20 08:51:13 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2186169]