Bug 2355524 (CVE-2023-53027)

Summary:	CVE-2023-53027 kernel: erofs: fix kvcalloc() misuse with __GFP_NOFAIL
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dfreiber, drow, jburrell, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	[REJECTED CVE] In the Linux kernel, the following vulnerability has been resolved: erofs: fix kvcalloc() misuse with __GFP_NOFAIL As reported by syzbot [1], kvcalloc() cannot work with __GFP_NOFAIL. Let's use kcalloc() instead.	Story Points:	---
Clone Of:		Environment:
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Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2025-03-27 17:05:29 UTC

In the Linux kernel, the following vulnerability has been resolved:

erofs: fix kvcalloc() misuse with __GFP_NOFAIL

As reported by syzbot [1], kvcalloc() cannot work with  __GFP_NOFAIL.
Let's use kcalloc() instead.

[1] https://lore.kernel.org/r/0000000000007796bd05f1852ec2@google.com

Comment 1 Robb Gatica 2025-03-27 19:33:46 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025032719-CVE-2023-53027-dc56@gregkh/T

Comment 3 TEJ RATHI 2025-05-15 08:10:03 UTC

This CVE has been rejected upstream: https://lore.kernel.org/linux-cve-announce/2025032857-REJECTED-1fb4@gregkh/