CVE-2025-38575 ksmbd: use aead_request_free to match aead_request_alloc
An attacker could read sensitive cryptographic data from freed memory in the Linux kernel ksmbd module due to improper memory deallocation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-38575?
CVE-2025-38575 is a medium-severity vulnerability in Debian Debian Linux, published on 18 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2025-38575?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38575?
Apply the vendor's patch.
Is CVE-2025-38575 being exploited?
There is no known exploitation of CVE-2025-38575 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2025-38575, DEBIAN-CVE-2025-38575, GHSA-rr66-qxh8-8qwq, ROOT-OS-UBUNTU-2404-CVE-2025-38575, UBUNTU-CVE-2025-38575.