CVE-2025-21748

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/760568c1f62ea874e8fb492f9cfa4f47b4b8391e	Patch
https://git.kernel.org/stable/c/82f59d64e6297f270311b16b5dcf65be406d1ea3	Patch
https://git.kernel.org/stable/c/aab98e2dbd648510f8f51b83fbf4721206ccae45	Patch
https://git.kernel.org/stable/c/b4b902737746c490258de5cb55cab39e79927a67	Patch
https://git.kernel.org/stable/c/ecb9947fa7c99a77b04d43404c6988a0d326e4a0	Patch
https://git.kernel.org/stable/c/f3b9fb2764591d792d160f375851013665a9e820
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

03 Nov 2025, 20:17

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html -

Information

Published : 2025-02-27 03:15

Updated : 2025-11-03 20:17

NVD link : CVE-2025-21748

Mitre link : CVE-2025-21748

CVE.ORG link : CVE-2025-21748

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-190

Integer Overflow or Wraparound

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