What’s Vulnerable › Vulnerabilities

CVE-2025-38575: ksmbd: use aead_request_free to match aead_request_alloc

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use aead_request_free to match aead_request_alloc Use aead_request_free() instead of kfree() to properly free memory allocated by aead_request_alloc(). This ensures sensitive crypto data is zeroed before being freed.

Affected products

• Debian Linux: 11.0
• Linux kernel: from 5.15 before 5.15.180; from 5.16 before 6.1.134; from 6.2 before 6.6.87; from 6.7 before 6.12.23; from 6.13 before 6.13.11; from 6.14 before 6.14.2 — fixed in 5.15.180, 6.1.134, 6.12.23, 6.13.11, 6.14.2, 6.6.87

How to fix

Upgrade to a fixed version: Linux kernel 5.15.180, 6.1.134, 6.12.23, 6.13.11. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1de7fec4d3012672e31eeb6679ea60f7ca010ef9
• https://git.kernel.org/stable/c/3e341dbd5f5a6e5a558e67da80731dc38a7f758c
• https://git.kernel.org/stable/c/46caeae23035192b9cc41872c827f30d0233f16e
• https://git.kernel.org/stable/c/571b342d4688801fc1f6a1934389dac09425dc93
• https://git.kernel.org/stable/c/6171063e9d046ffa46f51579b2ca4a43caef581a
• https://git.kernel.org/stable/c/a6b594868268c3a7bfaeced912525cd2c445529a
• https://git.kernel.org/stable/c/aef10ccd74512c52e30c5ee19d0031850973e78d
• https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

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