CVE-2025-21748

medium

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.

References

https://git.kernel.org/stable/c/f3b9fb2764591d792d160f375851013665a9e820

https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0

https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67

https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45

https://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3

https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391e

Details

Source: Mitre, NVD

Published: 2025-02-27

Updated: 2025-03-13

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00019