Bug 2074441 (CVE-2022-28356)

Summary:	CVE-2022-28356 kernel: refcount leak in llc_ui_bind and llc_ui_autobind
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
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, dhoward, dvlasenk, fhrbata, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, steved, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.17.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-08-30 07:55:56 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:	2074443
Bug Blocks:	2098139

Description Marian Rehak 2022-04-12 08:56:39 UTC

A refcount leak bug was found in net/llc/af_llc.c.

Reference:

https://github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4a
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1
http://www.openwall.com/lists/oss-security/2022/04/06/1

Comment 1 Marian Rehak 2022-04-12 08:57:11 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2074443]

Comment 2 Justin M. Forbes 2022-04-13 21:32:54 UTC

This was fixed for Fedora with the 5.16.18 stable kernel updates.

Comment 7 Product Security DevOps Team 2022-08-30 07:55:51 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-2022-28356