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CVE-2023-53358
ksmbd: fix racy issue under cocurrent smb2 tree disconnect
Description

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.

INFO

Published Date :

Sept. 17, 2025, 3:15 p.m.

Last Modified :

Sept. 17, 2025, 3:15 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-53358 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Address concurrent access issues in ksmbd by introducing a flag for tcon.
  • Apply the provided patch to ksmbd.
  • Update the Linux kernel to the patched version.
  • Test for concurrent smb2 tree disconnect stability.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-53358.

URL Resource
https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5
https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a
https://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8
https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6
https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53358 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-53358 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-53358 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-53358 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Sep. 17, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added Reference https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5
    Added Reference https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a
    Added Reference https://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8
    Added Reference https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6
    Added Reference https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.