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

VendorProductVersions
LinuxLinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf, < f3b9fb2764591d792d160f375851013665a9e820; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 760568c1f62ea874e8fb492f9cfa4f47b4b8391e; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 82f59d64e6297f270311b16b5dcf65be406d1ea3; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < b4b902737746c490258de5cb55cab39e79927a67; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < ecb9947fa7c99a77b04d43404c6988a0d326e4a0; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < aab98e2dbd648510f8f51b83fbf4721206ccae45
LinuxLinux5.15

References

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