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CVE-2026-64387

Опубликовано: 26 июл. 2026
Источник: msrc
CVSS3: 5.5
EPSS Низкий

Описание

smb: client: fix query directory replay double-free

EPSS

Процентиль: 37%
0.00457
Низкий

5.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 9.8
ubuntu
7 дней назад

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.

CVSS3: 7
redhat
7 дней назад

A flaw was found in the Linux kernel's Server Message Block (SMB) client. This vulnerability, a double-free error, occurs when the client attempts to free the same memory buffer twice during a directory query operation. An attacker could potentially exploit this flaw to cause memory corruption, leading to a denial of service or, in some cases, arbitrary code execution.

CVSS3: 9.8
nvd
7 дней назад

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.

CVSS3: 9.8
debian
7 дней назад

In the Linux kernel, the following vulnerability has been resolved: s ...

CVSS3: 9.8
github
7 дней назад

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.

EPSS

Процентиль: 37%
0.00457
Низкий

5.5 Medium

CVSS3