{"id":"CVE-2025-22101","title":"net: libwx: fix Tx L4 checksum","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: libwx: fix Tx L4 checksum\n\nThe hardware only supports L4 checksum offload for TCP/UDP/SCTP protocol.\nThere was a bug to set Tx checksum flag for the other protocol…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 3403960cdf86c967442dccc2bec981e0093f716e < 9c6c85ae77efbe29420883082b3a7b9fd2c57602","Linux >= 3403960cdf86c967442dccc2bec981e0093f716e < 6d56ea133adf0389b216ba6e47f7f35e95776713","Linux >= 3403960cdf86c967442dccc2bec981e0093f716e < 5f583e059eced1857f41e221ef5951e029e632bd","Linux >= 3403960cdf86c967442dccc2bec981e0093f716e < c7d82913d5f9e97860772ee4051eaa66b56a6273","Linux 6.5"],"published":"2025-04-16","updated":"2026-09-14","sourceUpdated":"2026-09-14T11:57:54.685Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-22101","references":[{"url":"https://git.kernel.org/stable/c/9c6c85ae77efbe29420883082b3a7b9fd2c57602"},{"url":"https://git.kernel.org/stable/c/6d56ea133adf0389b216ba6e47f7f35e95776713"},{"url":"https://git.kernel.org/stable/c/5f583e059eced1857f41e221ef5951e029e632bd"},{"url":"https://git.kernel.org/stable/c/c7d82913d5f9e97860772ee4051eaa66b56a6273"}],"tags":["cve.org"],"epss":0.00201,"epssPercentile":0.10317,"ingestedAt":"2026-09-14T15:23:07.459Z","slug":"CVE-2025-22101","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: libwx: fix Tx L4 checksum\n\nThe hardware only supports L4 checksum offload for TCP/UDP/SCTP protocol.\nThere was a bug to set Tx checksum flag for the other protocol that results\nin Tx ring hang. Fix to compute software checksum for these packets.\n\n## Affected\n\n- `Linux >= 3403960cdf86c967442dccc2bec981e0093f716e < 9c6c85ae77efbe29420883082b3a7b9fd2c57602`\n- `Linux >= 3403960cdf86c967442dccc2bec981e0093f716e < 6d56ea133adf0389b216ba6e47f7f35e95776713`\n- `Linux >= 3403960cdf86c967442dccc2bec981e0093f716e < 5f583e059eced1857f41e221ef5951e029e632bd`\n- `Linux >= 3403960cdf86c967442dccc2bec981e0093f716e < c7d82913d5f9e97860772ee4051eaa66b56a6273`\n- `Linux 6.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202669,"id":"CVE-2025-22101","ts":1789402174417,"field":"cvss","old":"5.5","new":null},{"seq":202668,"id":"CVE-2025-22101","ts":1789402174417,"field":"severity","old":"medium","new":"none"}]}