CVE-2025-21748

MediumCVSS 5.5/10Last modified Jul 30, 2026

Description

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

ksmbd: fix integer overflows on 32 bit systems

On 32bit systems the addition operations in ipc_msg_alloc() can potentially overflow leading to memory corruption. Add bounds checking using KSMBD_IPC_MAX_PAYLOAD to avoid overflow.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Feb 27, 2025
Last modified
Jul 30, 2026
NVD status
Modified

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CVE-2025-21748: Medium severity, CVSS 5.5 | Vulnix