CVE-2023-53061
ksmbd: fix possible refcount leak in smb2_open()
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix possible refcount leak in smb2_open() Reference count of acls will leak when memory allocation fails. Fix this by adding the missing posix_acl_release().
INFO
Published Date :
May 2, 2025, 4:15 p.m.
Last Modified :
Nov. 7, 2025, 4:45 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to include the fix.
- Apply the provided patch for the refcount leak.
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-2023-53061.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-53061 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-2023-53061
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-2023-53061 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-53061 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]
Nov. 07, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.22 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.2.9 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.105 Added Reference Type kernel.org: https://git.kernel.org/stable/c/2624b445544ffc1472ccabfb6ec867c199d4c95c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/303f8e58cc3ace744801dcdcabfc06ffc72ed62d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a22c49a05e5e7aa2c414fbc42c49c4c01a5c9a78 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c33344b7972225b232966f95d31f6312dcc6273d Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 02, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix possible refcount leak in smb2_open() Reference count of acls will leak when memory allocation fails. Fix this by adding the missing posix_acl_release(). Added Reference https://git.kernel.org/stable/c/2624b445544ffc1472ccabfb6ec867c199d4c95c Added Reference https://git.kernel.org/stable/c/303f8e58cc3ace744801dcdcabfc06ffc72ed62d Added Reference https://git.kernel.org/stable/c/a22c49a05e5e7aa2c414fbc42c49c4c01a5c9a78 Added Reference https://git.kernel.org/stable/c/c33344b7972225b232966f95d31f6312dcc6273d