Bug 2035084 (CVE-2021-45256)

Summary:	CVE-2021-45256 nasm: Null pointer dereference via asm/preproc.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dominik, java-sig-commits, mizdebsk, nickc, pbonzini
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A null-pointer dereference flaw was found in nasm's preproc.c. An attacker with local network access could pass specially crafted unknown input causing an application to halt or crash, leading to a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-01-07 09:11:42 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:	2035086
Bug Blocks:	2035091

Description Pedro Sampaio 2021-12-22 20:30:49 UTC

A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.

References:

https://bugzilla.nasm.us/show_bug.cgi?id=3392789

Comment 1 Pedro Sampaio 2021-12-22 20:31:02 UTC

Created nasm tracking bugs for this issue:

Affects: fedora-all [bug 2035086]

Comment 2 Product Security DevOps Team 2022-01-07 09:11:40 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-45256