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CVE-2026-64387

nvd nist
Published: Jul 25, 2026Modified: Sep 4, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

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 (11)

Products: Linux: Linux Kernel
1 product
Linux Kernel
Configuration A
11 vulnerable
Vulnerable SoftwareAffected Versions
Linux
From 6.13 to 6.18.39
From 6.19 to 7.1.4
From 6.6.32 to 6.6.145
From 6.8.1 to 6.12.96
Version 6.8
Version 6.8 rc2
Version 6.8 rc3
Version 6.8 rc4
Version 6.8 rc5
Version 6.8 rc6
Version 6.8 rc7

References (5)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch

Timeline

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