CVE-2023-32255 – Linux Kernel ksmbd NTLMSSP Memory Leak

The following table lists the changes that have been made to the
CVE-2023-32255 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 02, 2025

    Action Type Old Value New Value
    Added Description A flaw was found in the Linux kernel’s ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-772
    Added Reference https://access.redhat.com/security/cve/CVE-2023-32255
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2385884
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d7cb549c2ca20e1f07593f15e936fd54b763028
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-23-703/
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