Bug 1555145 (CVE-2018-8087)

Summary:	CVE-2018-8087 kernel: Memory leak in drivers/net/wireless/mac80211_hwsim.c:hwsim_new_radio_nl() can lead to potential denial of service
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	airlied, ajax, aquini, bhu, blc, bskeggs, dhoward, ewk, fhrbata, hdegoede, hkrzesin, hwkernel-mgr, iboverma, ichavero, itamar, jarodwilson, jforbes, jglisse, jkacur, john.j5live, jonathan, josef, jross, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, linville, matt, mchehab, mcressma, mguzik, mjg59, mlangsdo, nmurray, plougher, pmatouse, rt-maint, rvrbovsk, skozina, slawomir, steved, vdronov, williams, yozone
Target Milestone:	---	Keywords:	Reopened, Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 4.16-rc1	Doc Type:	If docs needed, set a value
Doc Text:	The Linux kernel is vulnerable to a memory leak in the drivers/net/wireless/mac80211_hwsim.c:hwsim_new_radio_nl() function. An attacker could exploit this to cause a potential denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-06 13:18:45 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:	1555146, 1555147, 1626463, 1626464
Bug Blocks:	1555148

Description Sam Fowler 2018-03-14 03:30:09 UTC

The Linux kernel is vulnerable to a memory leak in the drivers/net/wireless/mac80211_hwsim.c:hwsim_new_radio_nl() function. An attacker could exploit this to cause a potential denial of service.

An upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ddcff49b672239dda94d70d0fcf50317a9f4b51

Comment 1 Sam Fowler 2018-03-14 03:34:48 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1555147]

Comment 6 Fedora Update System 2018-03-20 17:35:14 UTC

kernel-4.15.10-200.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.

Comment 12 errata-xmlrpc 2019-08-06 12:04:00 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2029 https://access.redhat.com/errata/RHSA-2019:2029

Comment 13 errata-xmlrpc 2019-08-06 12:06:21 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2043 https://access.redhat.com/errata/RHSA-2019:2043

Comment 14 Product Security DevOps Team 2019-08-06 13:18:45 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-2018-8087