Bug 2153062 (CVE-2022-3104)

Summary:	CVE-2022-3104 kernel: lkdtm/bugs: NULL pointer dereference in lkdtm_ARRAY_BOUNDS
Product:	[Other] Security Response	Reporter:	Sage McTaggart <amctagga>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, 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, sgrubb, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.19-rc1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-06-12 20:19:46 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:
Bug Blocks:	2153051

Description Sage McTaggart 2022-12-13 22:04:57 UTC

[Suggested description]
An issue was discovered in the Linux kernel through 5.16-rc6.
lkdtm_ARRAY_BOUNDS in drivers/misc/lkdtm/bugs.c lacks check of the
return value of kmalloc() and will cause the null pointer dereference.

------------------------------------------

[VulnerabilityType Other]
NULL Pointer Dereference

------------------------------------------

[Vendor of Product]
the development group

------------------------------------------

[Affected Product Code Base]
Linux kernel - 5.16-rc6

------------------------------------------

[Reference]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc2&id=4a9800c81d2f34afb66b4b42e0330ae8298019a2

------------------------------------------

[Discoverer]
Jiasheng Jiang

Comment 4 Mauro Matteo Cascella 2023-06-12 09:16:17 UTC

Upstream commit:
https://github.com/torvalds/linux/commit/4a9800c81d2f34afb66b4b42e0330ae8298019a2

Comment 6 Product Security DevOps Team 2023-06-12 20:19:43 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-2022-3104