{"id":"CVE-2026-98696","title":"USB: serial: fix driver deregistration order","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: fix driver deregistration order\n\nUSB serial driver modules register one driver for the USB bus and one or\nmore drivers for the ports on the USB serial bus.…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 765e0ba62613fb90f09c1b5926750df0aa56f349 < 9b085a06a0a411b0bcdf18b61c3ebf1be1c72ffe","Linux >= 765e0ba62613fb90f09c1b5926750df0aa56f349 < a1aa474768f69ea3a70da523f00f74c264cfa10e","Linux >= 765e0ba62613fb90f09c1b5926750df0aa56f349 < 428d479a0d31460fbf5969ab262ccd673f1fac01","Linux >= 765e0ba62613fb90f09c1b5926750df0aa56f349 < 646e5b28b4fdbc1b828a2398d6ced2c1dd308a46","Linux 3.4"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:46:20.399Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98696","references":[{"url":"https://git.kernel.org/stable/c/9b085a06a0a411b0bcdf18b61c3ebf1be1c72ffe"},{"url":"https://git.kernel.org/stable/c/a1aa474768f69ea3a70da523f00f74c264cfa10e"},{"url":"https://git.kernel.org/stable/c/428d479a0d31460fbf5969ab262ccd673f1fac01"},{"url":"https://git.kernel.org/stable/c/646e5b28b4fdbc1b828a2398d6ced2c1dd308a46"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T16:47:32.517Z","slug":"CVE-2026-98696","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: fix driver deregistration order\n\nUSB serial driver modules register one driver for the USB bus and one or\nmore drivers for the ports on the USB serial bus.\n\nWhen unloading a driver module, the USB driver must be deregistered\nbefore the USB serial bus drivers so that I/O is stopped before\nunbinding the ports to avoid use-after-free in completion handlers\naccessing port data.\n\nNote that the \"new_id\" attributes must first be removed to prevent new\nids from being added and triggering a probe of the USB driver after it\nhas been deregistered.\n\n## Affected\n\n- `Linux >= 765e0ba62613fb90f09c1b5926750df0aa56f349 < 9b085a06a0a411b0bcdf18b61c3ebf1be1c72ffe`\n- `Linux >= 765e0ba62613fb90f09c1b5926750df0aa56f349 < a1aa474768f69ea3a70da523f00f74c264cfa10e`\n- `Linux >= 765e0ba62613fb90f09c1b5926750df0aa56f349 < 428d479a0d31460fbf5969ab262ccd673f1fac01`\n- `Linux >= 765e0ba62613fb90f09c1b5926750df0aa56f349 < 646e5b28b4fdbc1b828a2398d6ced2c1dd308a46`\n- `Linux 3.4`\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":[]}