{"id":"CVE-2026-100079","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: unregister debugfs entries on teardown\n\nucsi_register() creates per-instance debugfs entries, but\nucsi_unregister() keeps them around until ucsi_destr…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: unregister debugfs entries on teardown\n\nucsi_register() creates per-instance debugfs entries, but\nucsi_unregister() keeps them around until ucsi_destr…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= df0383ffad64dc09954a60873c1e202b47f08d90 < fb7393519908befdc094be4ea913f582adbf2f7c","Linux >= df0383ffad64dc09954a60873c1e202b47f08d90 < 7177c215e69658adbd2f2fc5b72e14be9208d2ba","Linux >= df0383ffad64dc09954a60873c1e202b47f08d90 < 1f44d001620fd3caa30619a9bc73e9d15555408b","Linux >= df0383ffad64dc09954a60873c1e202b47f08d90 < 62efee351566321ad72a4abaf6eb7d972590585d","Linux >= df0383ffad64dc09954a60873c1e202b47f08d90 < eed73a65ab609b79d53de88cccc34b36dfe753c4","Linux 6.6"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T14:17:15.000","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100079","references":[{"url":"https://git.kernel.org/stable/c/1f44d001620fd3caa30619a9bc73e9d15555408b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/62efee351566321ad72a4abaf6eb7d972590585d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7177c215e69658adbd2f2fc5b72e14be9208d2ba","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/eed73a65ab609b79d53de88cccc34b36dfe753c4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fb7393519908befdc094be4ea913f582adbf2f7c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T14:09:46.374Z","slug":"CVE-2026-100079","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: unregister debugfs entries on teardown\n\nucsi_register() creates per-instance debugfs entries, but\nucsi_unregister() keeps them around until ucsi_destroy().\n\nDrivers like ucsi_glink that unregister/register the same UCSI\ninstance across remoteproc restart then try to create an already\nexisting debugfs directory and log:\n\n  debugfs: 'pmic_glink.ucsi.0' already exists in 'ucsi'\n\nUnregister debugfs entries as part of ucsi_unregister(), and\nclear ucsi->debugfs after freeing it so repeated unregister\npaths remain safe.\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":[]}