Bug 1665315 (CVE-2018-20543)

Summary:	CVE-2018-20543 libxsmm: Resource Exhaustion in libxsmm_sparse_csc_reader in generator_spgemm_csc_reader.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dave.love, dominik
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:	2019-06-10 10:45:12 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:	1665316, 1665318
Bug Blocks:

Description Laura Pardo 2019-01-10 22:46:07 UTC

A flaw was found in LIBXSMM 1.10. There is an attempted excessive memory allocation at libxsmm_sparse_csc_reader in generator_spgemm_csc_reader.c that will cause a denial of service.


References:
https://bugzilla.redhat.com/show_bug.cgi?id=1652634

Comment 1 Laura Pardo 2019-01-10 22:46:27 UTC

Created libxsmm tracking bugs for this issue:

Affects: epel-7 [bug 1665318]
Affects: fedora-all [bug 1665316]

Comment 2 Product Security DevOps Team 2019-06-10 10:45:12 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.