Bug 2180984 (CVE-2022-3636)

Summary:	CVE-2022-3636 Kernel: A use after free in __mtk_ppe_check_skb in drivers/net/ethernet/mediatek/mtk_ppe.c
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
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 5.19 RC1	Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in Linux Kernel. This affects the __mtk_ppe_check_skb function in the drivers/net/ethernet/mediatek/mtk_ppe.c file in the Ethernet Handler component. This manipulation can lead to use after free issue.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-03-23 12:23:06 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:	2137140

Description Rohit Keshri 2023-03-22 18:58:37 UTC

A vulnerability was found in Linux Kernel. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. The manipulation leads to use after free. I

Reference:
https://git.kernel.org/pub/scm/linux/kernel/git/pabeni/net-next.git/commit/?id=17a5f6a78dc7b8db385de346092d7d9f9dc24df6

Comment 1 Rohit Keshri 2023-03-22 18:59:17 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 2023-03-23 12:23:02 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-2022-3636