CVE-2025-38325 ksmbd: add free_transport ops in ksmbd connection

What is CVE-2025-38325?

CVE-2025-38325 is a critical vulnerability in Linux kernel, published on 10 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: add free_transport ops in ksmbd connection

free_transport function for tcp connection can be called from smbdirect. It will cause kernel oops. This patch add free_transport ops in ksmbd connection, and add each free_transports for tcp and smbdirect.

Which versions are affected by CVE-2025-38325?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2025-38325?

Apply the vendor's patch.

Is CVE-2025-38325 being exploited?

There is no known exploitation of CVE-2025-38325 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2025-38325, DEBIAN-CVE-2025-38325, GHSA-mf4c-hrq6-7vxq, UBUNTU-CVE-2025-38325.