Bug 2007001 (CVE-2021-39536)

Summary:	CVE-2021-39536 libxsmm: heap-based buffer overflow in JIT code
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
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
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Clone Of:		Environment:
Last Closed:	2021-09-23 00:21:11 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:	2007002, 2007003
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2021-09-22 19:19:08 UTC

An issue was discovered in libxsmm through v1.16.1-93. The JIT code has a heap-based buffer overflow.

Reference:
https://github.com/hfp/libxsmm/issues/402

Comment 1 Guilherme de Almeida Suckevicz 2021-09-22 19:19:25 UTC

Created libxsmm tracking bugs for this issue:

Affects: epel-all [bug 2007003]
Affects: fedora-all [bug 2007002]

Comment 2 Product Security DevOps Team 2021-09-23 00:21:11 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.