Bug 2180513 (CVE-2022-40540)

Summary:	CVE-2022-40540 kenrel: Memory corruption due to buffer copy in qcom_mdt_read_metadata
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
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:		Doc Type:	---
Doc Text:	A flaw was found in the Linux kernel. Memory corruption occurs to the buffer copy without checking the input size while loading firmware in qcom_mdt_read_metadata in drivers/soc/qcom/mdt_loader.c.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-03-21 19:30:41 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:	2177712

Description Rohit Keshri 2023-03-21 15:49:19 UTC

Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel in qcom_mdt_read_metadata in drivers/soc/qcom/mdt_loader.c 

Reference:
https://docs.qualcomm.com/product/publicresources/securitybulletin/march-2023-bulletin.html

Comment 1 Rohit Keshri 2023-03-21 15:50:06 UTC

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

Comment 2 Product Security DevOps Team 2023-03-21 19:30:36 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-2022-40540