CVE-2025-37962
Linux Kernel ksmbd Memory Leak Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leak in parse_lease_state() The previous patch that added bounds check for create lease context introduced a memory leak. When the bounds check fails, the function returns NULL without freeing the previously allocated lease_ctx_info structure. This patch fixes the issue by adding kfree(lreq) before returning NULL in both boundary check cases.
INFO
Published Date :
May 20, 2025, 4:15 p.m.
Last Modified :
May 21, 2025, 8:24 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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information, practical solutions, and valuable tools related to
CVE-2025-37962.
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).
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The following list is the news that have been mention
CVE-2025-37962 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-37962 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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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 20, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leak in parse_lease_state() The previous patch that added bounds check for create lease context introduced a memory leak. When the bounds check fails, the function returns NULL without freeing the previously allocated lease_ctx_info structure. This patch fixes the issue by adding kfree(lreq) before returning NULL in both boundary check cases. Added Reference https://git.kernel.org/stable/c/2148d34371b06dac696c0497a98a6bf905a51650 Added Reference https://git.kernel.org/stable/c/829e19ef741d9e9932abdc3bee5466195e0852cf Added Reference https://git.kernel.org/stable/c/af9e2d4732a548db8f6f5a90c2c20a789a3d7240 Added Reference https://git.kernel.org/stable/c/eb4447bcce915b43b691123118893fca4f372a8f Added Reference https://git.kernel.org/stable/c/facf22c1a394c1e023dab5daf9a494f722771e1c
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-37962 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-2025-37962
weaknesses.