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Vulnerabilities CVE-2026-64381

CVE-2026-64381

None
Open
TLP:CLEAR

smb: client: Fix next buffer leak in receive_encrypted_standard()

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Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receive_encrypted_standard() receive_encrypted_standard() allocates next_buffer before checking whether the number of compound PDUs already reached MAX_COMPOUND. If the limit check fails, the function returns immediately and the newly allocated next_buffer is not assigned to server->smallbuf/server->bigbuf, making it leaked. Move the MAX_COMPOUND check before allocating next_buffer.

Details

EPSS Score
0.18%

7.4th percentile

Confidence
90%
Published
Jul 25, 2026
Last Modified
Jul 25, 2026
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