CVE-2025-38432
Last modified
CVE-2025-38432 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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().. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
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().
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 6.15, < 6.15.5 | — |
| Linux | Linux Kernel | 6.16 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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