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CVE-2023-32257 High

CVE-2023-32257

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP and SMB2_LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.

Exploit probability 2.4%
Published July 24, 2023
Required by Not available
Last source change March 15, 2026

02 / AFFECTED SOFTWARE

Affected packages

Unknown Unknown

04 / EVIDENCE

Source records

Open Source Vulnerabilities CVE-2023-32257

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP and SMB2_LOGOFF commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.

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05 / REFERENCES

Further evidence