Bug 2053548 (CVE-2022-24958)

Summary:	CVE-2022-24958 kernel: use-after-free in dev->buf release in drivers/usb/gadget/legacy/inode.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, adscvr, airlied, alciregi, bdettelb, bhu, brdeoliv, bskeggs, chwhite, crwood, dhoward, dvlasenk, fhrbata, fpacheco, hdegoede, hkrzesin, jarod, jarodwilson, jburrell, jeremy, jfaracco, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, steved, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.17 rc1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-02-11 17:21:26 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:	2053549
Bug Blocks:	2053550

Description Guilherme de Almeida Suckevicz 2022-02-11 14:05:15 UTC

drivers/usb/gadget/legacy/inode.c in the Linux kernel through 5.16.8 mishandles dev->buf release.

References and upstream patches:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=501e38a5531efbd77d5c73c0ba838a889bfc1d74
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=89f3594d0de58e8a57d92d497dea9fee3d4b9cda

Comment 1 Guilherme de Almeida Suckevicz 2022-02-11 14:06:04 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2053549]

Comment 3 juneau 2022-02-11 16:37:16 UTC

services notaffected per kernel analysis

Comment 4 Product Security DevOps Team 2022-02-11 17:21:21 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-2022-24958