Bug 2083455 (CVE-2022-1651)

Summary:	CVE-2022-1651 kernel: A memory leak problem in acrn_dev_ioctl()
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, adscvr, airlied, alciregi, bdettelb, bhu, bskeggs, chwhite, crwood, ddepaula, dvlasenk, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jferlan, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jpazdziora, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, pmatouse, ptalbert, qzhao, rvrbovsk, scweaver, steved, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.18 rc1	Doc Type:	If docs needed, set a value
Doc Text:	A memory leak flaw was found in the Linux kernel in acrn_dev_ioctl in the drivers/virt/acrn/hsm.c function in how the ACRN Device Model emulates virtual NICs in VM. This flaw allows a local privileged attacker to leak unauthorized kernel information, causing a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-10 18:33:21 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:	2083718, 2083719
Bug Blocks:	2083452, 2083636

Description Rohit Keshri 2022-05-10 07:06:23 UTC

A memory leak problem was found in acrn_dev_ioctl in drivers/virt/acrn/hsm.c in ACRN Device Model emulates virtual NICs in VM. This flaw may allow a local privileged attacker to leak kernel unauthorized information, and may also cause a denial of service problem.

#Fix
Now the patch for this issue is available upstream.
1.https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecd1735f14d6ac868ae5d8b7a2bf193fa11f388b
2.https://lore.kernel.org/all/20220308092047.1008409-1-butterflyhuangxx@gmail.com/

Comment 11 Product Security DevOps Team 2023-05-10 18:33:16 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-2022-1651