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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: 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   
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:
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


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):