Bug 2179668 (CVE-2023-26606)

Summary:	CVE-2023-26606 kernel: ntfs3: use-after-free read in ntfs_trim_fs()
Product:	[Other] Security Response	Reporter:	Mauro Matteo Cascella <mcascell>
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, ddepaula, debarbos, dfreiber, dhoward, dvlasenk, ezulian, fhrbata, hkrzesin, jarod, jburrell, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rogbas, rvrbovsk, scweaver, tyberry, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 6.2-rc1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-03-19 21:30:46 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:	2179669
Bug Blocks:	2173495

Description Mauro Matteo Cascella 2023-03-19 17:36:15 UTC

NVD description: In the Linux kernel 6.0.8, there is a use-after-free in ntfs_trim_fs in fs/ntfs3/bitmap.c.

Reference:
https://lkml.org/lkml/2023/2/20/860

Comment 1 Mauro Matteo Cascella 2023-03-19 17:36:40 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2179669]

Comment 2 Mauro Matteo Cascella 2023-03-19 17:39:46 UTC

syzkaller reproducer: https://gist.github.com/oswalpalash/113c274067bc9c4c653a6dd09fb2e456

According to SUSE [1] this flaw was fixed in upstream commit 557d19675a47: https://github.com/torvalds/linux/commit/557d19675a47

[1] https://bugzilla.suse.com/show_bug.cgi?id=1208694

Comment 3 Product Security DevOps Team 2023-03-19 21:30:44 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-2023-26606

Comment 4 Justin M. Forbes 2023-03-21 12:51:51 UTC

This was fixed for Fedora with the 6.0.16 stable kernel updates.