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CVE-2026-64387

CRITICAL CVSS: 9.8 Published: 2026-07-25 Modified: 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_query_directory_init() fails before the next send, cleanup retains the previous buffer type and frees that response again. Reset response bookkeeping before each attempt to prevent the stale free.

Affected Platforms

Unknown

Weakness Type

Unknown

References