Bug 2283416 (CVE-2021-47535)

Summary:	CVE-2021-47535 kernel: drm/msm/a6xx: Allocate enough space for GMU registers
Product:	[Other] Security Response	Reporter:	ybuenos
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, allarkin, aquini, bhu, chwhite, cye, cyin, dbohanno, debarbos, dfreiber, drow, dvlasenk, esandeen, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lzampier, mleitner, mmilgram, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, rysulliv, scweaver, sidakwo, sukulkar, tglozar, trathi, tyberry, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.10.84, kernel 5.15.7, kernel 5.16	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in the Linux kernel in the function a6xx_get_gmu_registers() which leads to a memory allocation problem because the function was changed to read three sets of registers, but the memory allocation size of the array was not updated to accommodate this change. This could lead to potential memory corruption or crashes.	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:
Bug Blocks:	2283495

Description ybuenos 2024-05-27 10:13:12 UTC

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

drm/msm/a6xx: Allocate enough space for GMU registers

The Linux kernel CVE team has assigned CVE-2021-47535 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024052437-CVE-2021-47535-41d3@gregkh/T

Comment 1 Alex 2024-06-09 14:35:08 UTC

The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-47535 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown	 (where first YES/NO value means if related sources built).