Bug 1894556 (CVE-2020-25672)

Summary:	CVE-2020-25672 kernel: memory leak in llcp_sock_connect()
Product:	[Other] Security Response	Reporter:	msiddiqu
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, bhu, blc, bmasney, brdeoliv, bskeggs, dhoward, dvlasenk, esammons, fhrbata, hdegoede, hkrzesin, iboverma, itamar, jarodwilson, jeremy, jforbes, jglisse, jlelli, jonathan, josef, jross, jshortt, jstancek, jwboyer, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, masami256, mchehab, mcressma, mjg59, mlangsdo, nmurray, ptalbert, qzhao, rt-maint, rvrbovsk, steved, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A memory leak in the Linux kernel’s NFC LLCP protocol implementation was found in the way a user triggers the llcp_sock_connect() function. This flaw allows a local user to starve the resources, causing a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-11-04 14:13:52 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:	1894557, 1911190
Bug Blocks:	1890493, 1939825

Description msiddiqu 2020-11-04 13:57:59 UTC

A memory leak vulnerability was found in Linux kernel in llcp_sock_connect

References:

https://www.openwall.com/lists/oss-security/2020/11/01/1

Comment 1 msiddiqu 2020-11-04 13:58:52 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1894557]