Bug 2266296 (CVE-2019-25162)

Summary:	CVE-2019-25162 kernel: use after free in i2c
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, allarkin, aquini, bhu, chwhite, cye, cyin, dbohanno, debarbos, dfreiber, drow, dvlasenk, esandeen, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lzampier, mleitner, mmilgram, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, rysulliv, scweaver, sukulkar, tglozar, tyberry, vkumar, vsroka, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bounds (OOB) memory access flaw was found in the i2c driver module in the Linux kernel.	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:	2266299
Bug Blocks:	2266294

Description Rohit Keshri 2024-02-27 13:39:36 UTC

In the Linux kernel, the following vulnerability has been resolved:

i2c: Fix a potential use after free

Free the adap structure only after we are done using it.
This patch just moves the put_device() down a bit to avoid the
use after free.

[wsa: added comment to the code, added Fixes tag]

https://git.kernel.org/stable/c/12b0606000d0828630c033bf0c74c748464fe87d
https://git.kernel.org/stable/c/23a191b132cd87f746c62f3dc27da33683d85829
https://git.kernel.org/stable/c/35927d7509ab9bf41896b7e44f639504eae08af7
https://git.kernel.org/stable/c/81cb31756888bb062e92d2dca21cd629d77a46a9
https://git.kernel.org/stable/c/871a1e94929a27bf6e2cd99523865c840bbc2d87
https://git.kernel.org/stable/c/e4c72c06c367758a14f227c847f9d623f1994ecf
https://git.kernel.org/stable/c/e6412ba3b6508bdf9c074d310bf4144afa6aec1a
https://git.kernel.org/stable/c/e8e1a046cf87c8b1363e5de835114f2779e2aaf4

Comment 1 Rohit Keshri 2024-02-27 13:53:37 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266299]

Comment 3 Justin M. Forbes 2024-02-27 19:03:09 UTC

This was fixed for Fedora with the 5.18.18 stable kernel updates.

Comment 5 errata-xmlrpc 2024-06-05 00:30:27 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:3618 https://access.redhat.com/errata/RHSA-2024:3618

Comment 6 errata-xmlrpc 2024-06-05 10:01:14 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:3627 https://access.redhat.com/errata/RHSA-2024:3627

Comment 8 Alex 2024-06-09 13:08:01 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2019-25162 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: 611e12ea0f121a31d9e9c4ce2a18a77abc2f28d6	YES			NO	YES	unknown (where first YES/NO value means if related sources built).

Comment 9 errata-xmlrpc 2024-11-12 09:19:07 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9315 https://access.redhat.com/errata/RHSA-2024:9315

Comment 10 errata-xmlrpc 2025-03-05 02:39:43 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:2270 https://access.redhat.com/errata/RHSA-2025:2270