Bug 2047806 (CVE-2021-46022)

Summary:	CVE-2021-46022 recutils: use-after-free in rec_mset_elem_destroy() at rec-mset.c may lead to DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dueno
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:	2022-01-28 16:01:40 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2047807
Bug Blocks:

Description Marian Rehak 2022-01-28 15:32:51 UTC

An Use-After-Free vulnerability in rec_mset_elem_destroy() at rec-mset.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.

Reference:

https://lists.gnu.org/archive/html/bug-recutils/2021-12/msg00007.html

Comment 1 Marian Rehak 2022-01-28 15:33:03 UTC

Created recutils tracking bugs for this issue:

Affects: fedora-all [bug 2047807]

Comment 2 Product Security DevOps Team 2022-01-28 16:01:38 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.