CVE-2025-37962: Debian Linux

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 6.1.134, before 6.1.139 (fixed in 6.1.139); from 6.6.87, before 6.6.91 (fixed in 6.6.91); from 6.12.23, before 6.12.29 (fixed in 6.12.29); from 6.13.11, before 6.14 (fixed in 6.14); from 6.14.2, before 6.14.7 (fixed in 6.14.7); version 6.15 only

Published 2025-05-20. Last modified 2026-06-17.