Bug 2241988 (CVE-2023-4211)

Summary:	CVE-2023-4211 kernel: Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
Product:	[Other] Security Response	Reporter:	Patrick Del Bello <pdelbell>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	acaringi, allarkin, bhu, chwhite, cye, dbohanno, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, rogbas, rparrazo, rrobaina, rvrbovsk, rysulliv, scweaver, tglozar, tyberry, vkumar, vsroka, 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:	---
Clone Of:		Environment:
Last Closed:	2023-10-04 17:34:57 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:	2241986

Description Patrick Del Bello 2023-10-03 18:30:21 UTC

A local non-privileged user can make improper GPU memory processing operations  to gain access to already freed memory.



https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
https://arstechnica.com/security/2023/10/vulnerable-arm-gpu-drivers-under-active-exploitation-patches-may-not-be-available/
https://chromereleases.googleblog.com/2023/08/stable-channel-update-for-chromeos_25.html
https://chromereleases.googleblog.com/2023/08/long-term-support-channel-update-for_23.html
https://source.android.com/docs/security/bulletin/pixel/2023-09-01
https://www.bleepingcomputer.com/news/security/arm-warns-of-mali-gpu-flaws-likely-exploited-in-targeted-attacks/