Bug 2209238 (CVE-2023-21106)

Summary:	CVE-2023-21106 kernel: possible memory corruption due to double free
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
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, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Kernel 6.2-rc5	Doc Type:	If docs needed, set a value
Doc Text:	A double-free vulnerability was found in adreno_set_param in drivers/gpu/drm/msm/adreno/adreno_gpu.c in the DRM subsystem in the Linux Kernel. This flaw could lead to local privilege escalation.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-23 13:41:26 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:	2209240
Bug Blocks:	2209239

Description Dhananjay Arunesh 2023-05-23 07:53:22 UTC

In adreno_set_param of adreno_gpu.c, there is a possible memory corruption due to a double free. This could lead to local escalation of privilege with no additional execution privileges needed. 

References:
https://source.android.com/security/bulletin/2023-05-01

Comment 1 Dhananjay Arunesh 2023-05-23 07:55:35 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2209240]

Comment 3 Rohit Keshri 2023-05-23 08:56:51 UTC

There was no shipped kernel version were seen affected with this problem. These files are not built in our source code.

Comment 6 Product Security DevOps Team 2023-05-23 13:41:22 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-2023-21106

Comment 7 Justin M. Forbes 2023-05-23 19:50:10 UTC

This was fixed for Fedora with the 6.1.9 stable kernel updates.