2396160 – (CVE-2023-53358) CVE-2023-53358 kernel: ksmbd: fix racy issue under cocurrent smb2 tree disconnect

Bug 2396160 (CVE-2023-53358) - CVE-2023-53358 kernel: ksmbd: fix racy issue under cocurrent smb2 tree disconnect

Summary: CVE-2023-53358 kernel: ksmbd: fix racy issue under cocurrent smb2 tree discon...

Keywords:
Status:	NEW
Alias:	CVE-2023-53358
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	unspecified
Severity:	unspecified
Target Milestone:	---
Assignee:	Product Security DevOps Team
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2025-09-17 15:04 UTC by OSIDB Bzimport
Modified:	2026-06-29 18:51 UTC (History)
CC List:	2 users (show)
Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments	(Terms of Use)

Description OSIDB Bzimport 2025-09-17 15:04:54 UTC

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

ksmbd: fix racy issue under cocurrent smb2 tree disconnect

There is UAF issue under cocurrent smb2 tree disconnect.
This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent
access.

Comment 1 Jon Moroney 2025-09-17 17:11:47 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.