CVE-2025-37962

ksmbd: fix memory leak in parse_lease_state()

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.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/facf22c1a394c1e023dab5daf9a494f722771e1c
https://git.kernel.org/stable/c/af9e2d4732a548db8f6f5a90c2c20a789a3d7240
https://git.kernel.org/stable/c/2148d34371b06dac696c0497a98a6bf905a51650
https://git.kernel.org/stable/c/829e19ef741d9e9932abdc3bee5466195e0852cf
https://git.kernel.org/stable/c/eb4447bcce915b43b691123118893fca4f372a8f

Frequently Asked Questions

What is the severity of CVE-2025-37962?: CVE-2025-37962 has not yet been assigned a CVSS score.
How to fix CVE-2025-37962?: To fix CVE-2025-37962, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-37962 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-37962 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-37962?: CVE-2025-37962 affects Linux Linux, Linux Linux.

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