# CVE-2025-22101: linux: In the Linux kernel, the following vulnerability has been resolved:  net: libwx: fix Tx L4 checksum  The hardware onl...

CVE-2025-22101 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-22101, released April 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-22101
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 16, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: libwx: fix Tx L4 checksum  The hardware only supports L4 checksum offload for TCP/UDP/SCTP protocol. There was a bug to set Tx checksum flag for the other protocol that results in Tx ring hang. Fix to compute software checksum for these packets.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.12.37-1 | [DEBIAN-CVE-2025-22101](https://patchblox.com/security/data/fix/linux/debian-cve-2025-22101.md) | Apr 16, 2025 |
| Linux | linux Debian 14 | 6.12.37-1 | [DEBIAN-CVE-2025-22101](https://patchblox.com/security/data/fix/linux/debian-cve-2025-22101.md) | Apr 16, 2025 |

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