CVE-2026-68431

A flaw was found in ksmbd in the Linux kernel. When handling Server Message Block version 2 SMB2 transform requests, the system fails to validate the minimum Protocol Data Unit PDU size. An unauthenticated remote attacker can send a specially crafted, short transform packet, bypassing security...

CVE-2026-68431 ksmbd: validate minimum PDU size for transform requests

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate minimum PDU size for transform requests The receive path applies the minimum SMB2 PDU size check only when ProtocolId is SMB2PROTONUMBER. A packet carrying SMB2TRANSFORMPROTONUM bypasses the check even when the...

CVE-2026-68431

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate minimum PDU size for transform requests The receive path applies the minimum SMB2 PDU size check only when ProtocolId is SMB2PROTONUMBER. A packet carrying SMB2TRANSFORMPROTONUM bypasses the check even when the...

Linux Distros Unpatched Vulnerability : CVE-2026-68431

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: validate minimum PDU size for transform requests The receive path applies the minimum SMB2 PDU size check only when ProtocolId is SMB2PROTONUMBER. A pack...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux-6.1

A flaw was found within the parsing of SMB2 requests that have a transform header in the kernel ksmbd module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this to disclose...

PT-2024-12776 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux Kernel ksmbd module affected versions not specified Description: A flaw was found in the parsing of SMB2 requests that have a transform header in the kernel ksmbd module. The issue results from the lack of proper validation of...