Bug 2035081 (CVE-2021-45261)

Summary:	CVE-2021-45261 patch: Invalid Pointer via another_hunk function
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	adudiak, aprice, bdettelb, caswilli, dfreiber, doconnor, drow, fjansen, hkataria, jburrell, jforrest, jkoehler, jmitchel, jsamir, jtanner, jwong, kaycoth, kholdawa, kshier, lcouzens, lphiri, luk.claes, micjohns, mpierce, mskarbek, rblanco, sthirugn, teagle, than, twaugh, vkrizan, vkumar, vmugicag
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 flaw was found in patch. A possible memory corruption vulnerability could allow an attacker to input a specially crafted patch file leading to a crash or code execution.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2035082, 2035217, 2035218
Bug Blocks:	2035089

Description Pedro Sampaio 2021-12-22 20:26:57 UTC

An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.

References

https://savannah.gnu.org/bugs/?61685

Comment 1 Pedro Sampaio 2021-12-22 20:27:13 UTC

Created patch tracking bugs for this issue:

Affects: fedora-all [bug 2035082]