Bug 2006998 (CVE-2021-39535)

Summary: CVE-2021-39535 libxsmm: NULL pointer dereference in JIT code
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dave.love, dominik
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2021-09-23 00:21:08 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2006999, 2007000    
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Description Guilherme de Almeida Suckevicz 2021-09-22 19:17:09 UTC
An issue was discovered in libxsmm through v1.16.1-93. A NULL pointer dereference exists in JIT code. It allows an attacker to cause Denial of Service.

Reference:
https://github.com/hfp/libxsmm/issues/398

Comment 1 Guilherme de Almeida Suckevicz 2021-09-22 19:17:27 UTC
Created libxsmm tracking bugs for this issue:

Affects: epel-all [bug 2007000]
Affects: fedora-all [bug 2006999]

Comment 2 Product Security DevOps Team 2021-09-23 00:21:08 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.