Unrated severityNVD Advisory· Published May 20, 2025· Updated Nov 3, 2025
ksmbd: fix memory leak in parse_lease_state()
CVE-2025-37962
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.
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Affected products
2Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/2148d34371b06dac696c0497a98a6bf905a51650mitre
- git.kernel.org/stable/c/829e19ef741d9e9932abdc3bee5466195e0852cfmitre
- git.kernel.org/stable/c/af9e2d4732a548db8f6f5a90c2c20a789a3d7240mitre
- git.kernel.org/stable/c/eb4447bcce915b43b691123118893fca4f372a8fmitre
- git.kernel.org/stable/c/facf22c1a394c1e023dab5daf9a494f722771e1cmitre
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