Bug 2221038 (CVE-2023-37454)

Summary:	CVE-2023-37454 kernel: udf: use-after-free write in udf_close_lvid
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, ikent, 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, tglozar, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote, ymankad
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A use-after-free flaw was found in the UDF file system in the Linux kernel. This issue could allow a malicious user to crash the system, resulting in a denial of service.	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:	2221044, 2221045, 2229972, 2229976, 2229977
Bug Blocks:	2221043

Description Rohit Keshri 2023-07-07 05:56:30 UTC

An issue was discovered in the Linux kernel through 6.4.2. A crafted UDF filesystem image causes a use-after-free write operation in the udf_put_super and udf_close_lvid functions in fs/udf/super.c.

https://syzkaller.appspot.com/bug?extid=61564e5023b7229ec85d
https://syzkaller.appspot.com/bug?extid=26873a72980f8fa8bc55
https://lore.kernel.org/all/00000000000056e02f05dfb6e11a@google.com/T/
https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57

Comment 3 Mauro Matteo Cascella 2023-08-08 10:51:33 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2229972]