CVE-2023-38426
Linux kernel ksmbd Out-of-bounds Read Vulnerability
Description
An issue was discovered in the Linux kernel before 6.3.4. ksmbd has an out-of-bounds read in smb2_find_context_vals when create_context's name_len is larger than the tag length.
INFO
Published Date :
July 18, 2023, 12:15 a.m.
Last Modified :
Dec. 22, 2023, 5:04 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-38426 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2023-38426
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.
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-2023-38426.
| URL | Resource |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4 | Mailing List Release Notes Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=02f76c401d17e409ed45bf7887148fcc22c93c85 | Patch |
| https://security.netapp.com/advisory/ntap-20230915-0010/ | Third Party Advisory VDB Entry |
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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-38426 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-38426 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.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Dec. 22, 2023
Action Type Old Value New Value Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4 Release Notes https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4 Mailing List, Release Notes, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20230915-0010/ No Types Assigned https://security.netapp.com/advisory/ntap-20230915-0010/ Third Party Advisory, VDB Entry Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.3.4 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.113 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.30 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.3.4 Added CPE Configuration OR *cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 15, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20230915-0010/ [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 27, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4 Release Notes Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=02f76c401d17e409ed45bf7887148fcc22c93c85 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=02f76c401d17e409ed45bf7887148fcc22c93c85 Patch Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.3.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-38426 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-2023-38426
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.19 }} 0.02%
score
0.56885
percentile