2406759 – (CVE-2025-40077) CVE-2025-40077 kernel: f2fs: fix to avoid overflow while left shift operation

Bug 2406759 (CVE-2025-40077) - CVE-2025-40077 kernel: f2fs: fix to avoid overflow while left shift operation

Summary: CVE-2025-40077 kernel: f2fs: fix to avoid overflow while left shift operation

Keywords:
Status:	NEW
Alias:	CVE-2025-40077
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	unspecified
Severity:	unspecified
Target Milestone:	---
Assignee:	Product Security
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2025-10-28 12:03 UTC by OSIDB Bzimport
Modified:	2026-06-29 15:44 UTC (History)
CC List:	2 users (show)
Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments	(Terms of Use)

Description OSIDB Bzimport 2025-10-28 12:03:57 UTC

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

f2fs: fix to avoid overflow while left shift operation

Should cast type of folio->index from pgoff_t to loff_t to avoid overflow
while left shift operation.

Comment 1 Jon Moroney 2025-10-28 18:26:26 UTC Comment hidden (spam)

This comment was flagged as spam, view the edit history to see the original text if required.

Note You need to log in before you can comment on or make changes to this bug.