CVE-2025-38432

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-38432
In the Linux kernel, the following vulnerability has been resolved: net: netpoll: Initialize UDP checksum field before checksumming commit f1fce08e63fe ("netpoll: Eliminate redundant assignment") removed the initialization of the UDP checksum, which was wrong and broke netpoll IPv6 transmission due to bad checksumming. udph->check needs to be set before calling csum_ipv6_magic().

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

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/353016ec159f939a380ff6746476a779367ba9a3 Patch
https://git.kernel.org/stable/c/f5990207026987a353d5a95204c4d9cb725637fd Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*
History

19 Nov 2025, 18:12

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/353016ec159f939a380ff6746476a779367ba9a3 - () https://git.kernel.org/stable/c/353016ec159f939a380ff6746476a779367ba9a3 - Patch
References () https://git.kernel.org/stable/c/f5990207026987a353d5a95204c4d9cb725637fd - () https://git.kernel.org/stable/c/f5990207026987a353d5a95204c4d9cb725637fd - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE NVD-CWE-noinfo
First Time Linux
Linux linux Kernel
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: netpoll: Inicializar el campo de suma de comprobación UDP antes del commit de suma de comprobación f1fce08e63fe ("netpoll: Eliminar la asignación redundante") eliminó la inicialización de la suma de comprobación UDP, lo cual era incorrecto y rompió la transmisión IPv6 de netpoll debido a una suma de comprobación incorrecta. udph->check debe configurarse antes de llamar a csum_ipv6_magic().
CPE cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

25 Jul 2025, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-07-25 15:15

Updated : 2025-11-19 18:12

NVD link : CVE-2025-38432

Mitre link : CVE-2025-38432

CVE.ORG link : CVE-2025-38432

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo