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CVE-2026-64380

Опубликовано: 26 июл. 2026
Источник: msrc
CVSS3: 8.2
EPSS Низкий

Описание

smb: client: harden POSIX SID length parsing

EPSS

Процентиль: 38%
0.00443
Низкий

8.2 High

CVSS3

Связанные уязвимости

CVSS3: 8.2
ubuntu
3 месяца назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posix_info_sid_size() reads sid[1] to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remaining byte. Require two bytes before reading sid[1] so all client paths that reuse the helper reject truncated POSIX SIDs safely.

CVSS3: 7
redhat
3 месяца назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posix_info_sid_size() reads sid[1] to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remaining byte. Require two bytes before reading sid[1] so all client paths that reuse the helper reject truncated POSIX SIDs safely.

CVSS3: 8.2
nvd
3 месяца назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posix_info_sid_size() reads sid[1] to obtain the subauthority count, but its existing boundary check still accepts buffers with only one remaining byte. Require two bytes before reading sid[1] so all client paths that reuse the helper reject truncated POSIX SIDs safely.

CVSS3: 8.2
debian
3 месяца назад

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

CVSS3: 8.2
redos
19 дней назад

Уязвимость kernel-lt

EPSS

Процентиль: 38%
0.00443
Низкий

8.2 High

CVSS3