CVE-2025-22040
Samba Linux Kernel Use After Free Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix session use-after-free in multichannel connection There is a race condition between session setup and ksmbd_sessions_deregister. The session can be freed before the connection is added to channel list of session. This patch check reference count of session before freeing it.
INFO
Published Date :
April 16, 2025, 3:15 p.m.
Last Modified :
April 25, 2025, 6:42 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2025-22040 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2025-22040.
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).
DSA and DLA for Debian last 14 days
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-22040 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-22040 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.
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Initial Analysis by [email protected]
Apr. 25, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.13.11 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.14 up to (excluding) 6.14.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.87 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.23 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.1.134 Added Reference Type kernel.org: https://git.kernel.org/stable/c/3980770cb1470054e6400fd97668665975726737 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/596407adb9af1ee75fe7c7529607783d31b66e7f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7dfbd4c43eed91dd2548a95236908025707a8dfd Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9069939d762138e232a6f79e3e1462682ed6a17d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/94c281721d4ed2d972232414b91d98a6f5bdb16b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db Types: Patch -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 21, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-416 -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Apr. 16, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix session use-after-free in multichannel connection There is a race condition between session setup and ksmbd_sessions_deregister. The session can be freed before the connection is added to channel list of session. This patch check reference count of session before freeing it. Added Reference https://git.kernel.org/stable/c/3980770cb1470054e6400fd97668665975726737 Added Reference https://git.kernel.org/stable/c/596407adb9af1ee75fe7c7529607783d31b66e7f Added Reference https://git.kernel.org/stable/c/7dfbd4c43eed91dd2548a95236908025707a8dfd Added Reference https://git.kernel.org/stable/c/9069939d762138e232a6f79e3e1462682ed6a17d Added Reference https://git.kernel.org/stable/c/94c281721d4ed2d972232414b91d98a6f5bdb16b Added Reference https://git.kernel.org/stable/c/fa4cdb8cbca7d6cb6aa13e4d8d83d1103f6345db
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-22040 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-2025-22040
weaknesses.