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CVE-2026-64382

Опубликовано: 26 июл. 2026
Источник: msrc
CVSS3: 7.8
EPSS Низкий

Описание

smb: client: fix double-free in SMB2_open() replay

EPSS

Процентиль: 28%
0.00354
Низкий

7.8 High

CVSS3

Связанные уязвимости

CVSS3: 8.8
ubuntu
7 дней назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_open() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_open_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. A double-free vulnerability exists in the `SMB2_open()` replay mechanism. This occurs when a response-bearing attempt returns a replayable error and frees its response buffer, and then the cleanup process attempts to free the same buffer again. This memory corruption vulnerability could potentially lead to a denial of service or, in some cases, arbitrary code execution.

CVSS3: 8.8
nvd
7 дней назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_open() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_open_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: 8.8
debian
7 дней назад

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

CVSS3: 8.8
github
7 дней назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_open() replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2_open_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: 28%
0.00354
Низкий

7.8 High

CVSS3