{"id":"CVE-2026-43219","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-43219","generatedAt":"2026-10-28T03:42:46.580Z","title":"In the Linux kernel, the following vulnerability has been resolved: net: cpsw_new: Fix potential unregister of netdev that has not been registered yet If an error occurs during register_netdev() for the first MAC in cpsw_register_ports(), even though…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cpsw_new: Fix potential unregister of netdev that has not been registered yet\n\nIf an error occurs during register_netdev() for the first MAC in\ncpsw_register_ports(), even though cpsw->slaves[0].ndev is set to NULL,\ncpsw->slaves[1].ndev would remain unchanged. This could later cause\ncpsw_unregister_ports() to attempt unregistering the second MAC.\nTo address this, add a check for ndev->reg_state before calling\nunregister_netdev(). With this change, setting cpsw->slaves[i].ndev\nto NULL becomes unnecessary and can be removed accordingly.","published":"2026-05-06T12:16:42.000Z","lastModified":"2026-07-04T12:16:56.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00128,"percentile":0.02439,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.13%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/14645799ad5253a028cf662e2f9cd18a68f74b31","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/23acc565186ee27e788408cbd81b92730b6aaa3a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/29739ec197ed66535bc0b86f14ab66c5f4512138","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/349c4cac6f54a81fc107589771f88136a2b20415","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/67cca9df4d17f2c824655d31195b2e75334ae286","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9d724b34fbe13b71865ad0906a4be97571f19cf5","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d31a12cee10bbc12b4b523a4709fd1fdee8b7d0f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/da8e1623a3028e1d8c75eec7898d94c6f17dce40","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43219","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}