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CVE-2025-39933

Опубликовано: 04 окт. 2025
Источник: redhat
CVSS3: 7.1
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

Отчет

SMB Direct client failed to validate data_offset, data_length, and remaining_data_length in SMBD “data transfer” messages. A malicious server can craft values that cause out-of-bounds access in the kernel receive path, leading to memory corruption and potential code execution. A malicious SMB Direct server can trigger a kernel crash on a connected and authenticated Linux client by sending malformed data transfer packets over an active RDMA session.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 9kernel-rtAffected
Red Hat Enterprise Linux 10kernelFixedRHSA-2026:228209.02.2026
Red Hat Enterprise Linux 10.0 Extended Update SupportkernelFixedRHSA-2026:172702.02.2026
Red Hat Enterprise Linux 8kernel-rtFixedRHSA-2026:076019.01.2026
Red Hat Enterprise Linux 8kernelFixedRHSA-2026:075919.01.2026
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportkernelFixedRHSA-2026:336025.02.2026
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnkernelFixedRHSA-2026:336025.02.2026

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-787
https://bugzilla.redhat.com/show_bug.cgi?id=2401432kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

EPSS

Процентиль: 5%
0.00018
Низкий

7.1 High

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
6 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

CVSS3: 5.5
nvd
6 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

msrc
6 месяцев назад

smb: client: let recv_done verify data_offset, data_length and remaining_data_length

CVSS3: 5.5
debian
6 месяцев назад

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

CVSS3: 5.5
github
6 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

EPSS

Процентиль: 5%
0.00018
Низкий

7.1 High

CVSS3