CVE-2026-31608

Description

A flaw was found in the Linux kernel's Server Message Block (SMB) server component. This vulnerability, a double-free error, occurs when the smb_direct_free_sendmsg function is called redundantly after smb_direct_flush_send_list() has already executed it. A remote attacker could potentially exploit this flaw, leading to memory corruption and a denial of service (DoS) on the affected system.

Understanding the Weakness (CWE)

Availability,Integrity

Technical Impact: DoS: Crash, Exit, or Restart

Integrity

Technical Impact: Modify Memory; Modify Application Data

Depending on the type of resource and the expected API behavior, this could lead to memory corruption, data corruption, or execution path corruption.

Frequently Asked Questions

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