Bug 2266212 (CVE-2023-52467)

Summary:	CVE-2023-52467 kernel:null pointer dereference in of_syscon_register()
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, 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:	A vulnerability was found in the Linux kernel, where A NULL pointer dereference flaw may occur in _syscon_register(). In this issue, kasprintf() returns a pointer to dynamically allocated memory, which can be NULL upon failure.	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:	2266333
Bug Blocks:	2266208

Description Rohit Keshri 2024-02-27 05:15:19 UTC

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

mfd: syscon: Fix null pointer dereference in of_syscon_register()

kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.

https://git.kernel.org/stable/c/3ef1130deee98997275904d9bfc37af75e1e906c
https://git.kernel.org/stable/c/41673c66b3d0c09915698fec5c13b24336f18dd1
https://git.kernel.org/stable/c/527e8c5f3d00299822612c495d5adf1f8f43c001
https://git.kernel.org/stable/c/7f2c410ac470959b88e03dadd94b7a0b71df7973
https://git.kernel.org/stable/c/927626a2073887ee30ba00633260d4d203f8e875
https://git.kernel.org/stable/c/c3e3a2144bf50877551138ffce9f7aa6ddfe385b

Comment 2 Rohit Keshri 2024-02-27 16:20:06 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266333]

Comment 5 Justin M. Forbes 2024-02-27 18:57:07 UTC

This was fixed for Fedora with the 6.6.14 stable kernel updates.

Comment 8 errata-xmlrpc 2024-11-12 09:18:57 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