Bug 2148523 (CVE-2022-45888)

Summary:	CVE-2022-45888 kernel: use-after-free due to race condition in drivers/char/xillybus/xillyusb.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
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, bhu, chwhite, crwood, ddepaula, debarbos, dhoward, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, tyberry, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-01-04 02:30:44 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:	2148524
Bug Blocks:	2148525

Description Guilherme de Almeida Suckevicz 2022-11-25 17:55:35 UTC

An issue was discovered in the Linux kernel through 6.0.9. drivers/char/xillybus/xillyusb.c has a race condition and use-after-free during physical removal of a USB device.

Reference:
https://lore.kernel.org/all/20221022175404.GA375335@ubuntu/

Comment 1 Guilherme de Almeida Suckevicz 2022-11-25 17:55:59 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2148524]

Comment 4 Product Security DevOps Team 2023-01-04 02:30:41 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-45888

Comment 5 Justin M. Forbes 2023-03-21 14:34:55 UTC

This is fixed for Fedora with the 6.2 kernel series.