CVE-2025-37962
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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 6.1.134 | 6.1.139 |
| linux / linux_kernel | 6.6.87 | 6.6.91 |
| linux / linux_kernel | 6.12.23 | 6.12.29 |
| linux / linux_kernel | 6.13.11 | 6.14 |
| linux / linux_kernel | 6.14.2 | 6.14.7 |
| linux / linux_kernel | 6.15-rc1 | 6.15-rc1.x |
| linux / linux_kernel | 6.15-rc2 | 6.15-rc2.x |
| linux / linux_kernel | 6.15-rc3 | 6.15-rc3.x |
| linux / linux_kernel | 6.15-rc4 | 6.15-rc4.x |
| linux / linux_kernel | 6.15-rc5 | 6.15-rc5.x |
| debian / debian_linux | 11.0 | 11.0.x |
- https://git.kernel.org/stable/c/2148d34371b06dac696c0497a98a6bf905a51650
- https://git.kernel.org/stable/c/829e19ef741d9e9932abdc3bee5466195e0852cf
- https://git.kernel.org/stable/c/af9e2d4732a548db8f6f5a90c2c20a789a3d7240
- https://git.kernel.org/stable/c/eb4447bcce915b43b691123118893fca4f372a8f
- https://git.kernel.org/stable/c/facf22c1a394c1e023dab5daf9a494f722771e1c
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
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