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Vulnerabilities CVE-2025-21748

CVE-2025-21748

Critical
Open
TLP:CLEAR

ksmbd: fix integer overflows on 32 bit systems

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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.

Details

CVSS Score
9.8
EPSS Score
0.58%

44.9th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Feb 27, 2025
Last Modified
Aug 5, 2026
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