Bug 2122715 (CVE-2021-33461)

Summary:	CVE-2021-33461 yasm: use-after-free in yasm_intnum_destroy() in libyasm/intnum.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dominik, fjansen, lupinix.fedora, matthias, nickc, sipoyare
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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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2122745, 2122746, 2123103, 2123104
Bug Blocks:	2111238

Description Guilherme de Almeida Suckevicz 2022-08-30 16:30:39 UTC

An issue was discovered in yasm version 1.3.0. There is a use-after-free in yasm_intnum_destroy() in libyasm/intnum.c.

Reference:
https://github.com/yasm/yasm/issues/161

Comment 1 Guilherme de Almeida Suckevicz 2022-08-30 17:18:57 UTC

Created yasm tracking bugs for this issue:

Affects: epel-all [bug 2122745]
Affects: fedora-all [bug 2122746]