Bug 2266446 (CVE-2021-46934)

Summary:	CVE-2021-46934 kernel: i2c: validate user data in compat ioctl
Product:	[Other] Security Response	Reporter:	Nick Tait <ntait>
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, mrehak, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, scweaver, sukulkar, tglozar, vkumar, 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:		Story Points:	---
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Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2266447
Bug Blocks:	2266445

Description Nick Tait 2024-02-27 21:47:49 UTC

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

i2c: validate user data in compat ioctl

The Linux kernel CVE team has assigned CVE-2021-46934 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022750-CVE-2021-46934-79c8@gregkh/T/#u

Comment 1 Nick Tait 2024-02-27 21:48:27 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266447]

Comment 5 Justin M. Forbes 2024-02-27 22:53:44 UTC

This was fixed for Fedora with the 5.15.13 stable kernel updates.

Comment 11 errata-xmlrpc 2024-06-05 00:30:30 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 12 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 13 Alex 2024-06-09 13:17:42 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-46934 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: 7d5cb45655f2e9e37ef75d18f50c0072ef14a38b	YES			NO	YES	unknown (where first YES/NO value means if related sources built).