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().

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/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

No history.

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

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