CVE-2023-39180
Linux Ksmbd SMB2_READ Denial of Service Vulnerability
Description
A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.
INFO
Published Date :
Nov. 18, 2024, 10:15 a.m.
Last Modified :
Aug. 6, 2025, 1:34 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- There is no known solution at this time.
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-2023-39180.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-39180 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2326531 | Issue Tracking Third Party Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-24-589/ | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-39180 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-2023-39180
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-2023-39180 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-39180 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.
-
Initial Analysis by [email protected]
Aug. 06, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Added Reference Type Fedora Project: https://access.redhat.com/security/cve/CVE-2023-39180 Types: Third Party Advisory Added Reference Type Fedora Project: https://bugzilla.redhat.com/show_bug.cgi?id=2326531 Types: Issue Tracking, Third Party Advisory Added Reference Type Fedora Project: https://www.zerodayinitiative.com/advisories/ZDI-24-589/ Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 18, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-125 -
CVE Received by [email protected]
Nov. 18, 2024
Action Type Old Value New Value Added Description A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable. Added Reference Fedora Project https://access.redhat.com/security/cve/CVE-2023-39180 [No types assigned] Added Reference Fedora Project https://bugzilla.redhat.com/show_bug.cgi?id=2326531 [No types assigned] Added Reference Fedora Project https://www.zerodayinitiative.com/advisories/ZDI-24-589/ [No types assigned] Added CWE Fedora Project CWE-400 Added CVSS V3.1 Fedora Project AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L