CVE-2025-38432

MEDIUM EPSS 3.5%
Published Jul 25, 202511mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jul 25, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
3.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥6.15  –  <6.15.5
linuxlinux_kernel6.16any
linuxlinux_kernel6.16any
linuxlinux_kernel6.16any

References 2

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

Remediation

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