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CVE-2025-39929
smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path
Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on __kmem_cache_shutdown()

INFO

Published Date :

Oct. 4, 2025, 8:15 a.m.

Last Modified :

Oct. 6, 2025, 2:56 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-39929 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
Apply kernel updates to address memory leak and object issues.
  • Update the Linux kernel to the latest version.
  • Install security patches provided by the vendor.
  • Reboot the system after applying updates.
  • Verify the fix by testing.
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-2025-39929.

URL Resource
https://git.kernel.org/stable/c/0991418bf98f191d0c320bd25245fcffa1998c7e
https://git.kernel.org/stable/c/3d7c075c878ac844e33c43e506c2fa27ac7e9689
https://git.kernel.org/stable/c/922338efaad63cfe30d459dfc59f9d69ff93ded4
https://git.kernel.org/stable/c/daac51c7032036a0ca5f1aa419ad1b0471d1c6e0
https://git.kernel.org/stable/c/e7b7a93879558e77d950f1ff9a6f3daa385b33df
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-39929 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-2025-39929 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-2025-39929 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-2025-39929 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

    Oct. 04, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on __kmem_cache_shutdown()
    Added Reference https://git.kernel.org/stable/c/0991418bf98f191d0c320bd25245fcffa1998c7e
    Added Reference https://git.kernel.org/stable/c/3d7c075c878ac844e33c43e506c2fa27ac7e9689
    Added Reference https://git.kernel.org/stable/c/922338efaad63cfe30d459dfc59f9d69ff93ded4
    Added Reference https://git.kernel.org/stable/c/daac51c7032036a0ca5f1aa419ad1b0471d1c6e0
    Added Reference https://git.kernel.org/stable/c/e7b7a93879558e77d950f1ff9a6f3daa385b33df
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.