Bug 1774933 (CVE-2019-19074)

Summary:	CVE-2019-19074 kernel: a memory leak in the ath9k management function in allows local DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, airlied, bdettelb, bhu, blc, brdeoliv, bskeggs, dhoward, dvlasenk, esammons, fhrbata, hdegoede, hkrzesin, iboverma, ichavero, itamar, jarodwilson, jeremy, jforbes, jglisse, jlelli, john.j5live, jonathan, josef, jross, jschorr, jshortt, jstancek, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, linville, masami256, matt, mchehab, mcressma, mjg59, mlangsdo, nmurray, plougher, qzhao, rt-maint, rvrbovsk, steved, williams, wmealing
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-28 16:34:41 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:	1774934, 1778581, 1778582, 1778583, 1778584, 1778585
Bug Blocks:	1774935

Description Marian Rehak 2019-11-21 10:12:12 UTC

A memory leak in the Atheros Wireless Module Interface (WMI) function (ath9k_wmi_cmd) in in the Linux kernel through 5.3.11 allows a local attacker, who has permissions to issue wifi device access control to cause a denial of service (memory consumption).

Upstream Reference:

https://github.com/torvalds/linux/commit/728c1e2a05e4b5fc52fab3421dce772a806612a2

Comment 1 Marian Rehak 2019-11-21 10:12:33 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1774934]

Comment 6 Wade Mealing 2019-12-02 05:18:06 UTC

At this time it is understood that this flaw does not qualify kernel-rt or mrg-2 fixes due to the current product lifecycle.

Comment 7 errata-xmlrpc 2020-04-28 15:25:10 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1567 https://access.redhat.com/errata/RHSA-2020:1567

Comment 8 errata-xmlrpc 2020-04-28 15:51:40 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1769 https://access.redhat.com/errata/RHSA-2020:1769

Comment 9 Product Security DevOps Team 2020-04-28 16:34:41 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-2019-19074