{"id":"CVE-2026-90025","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: displayport: Fix OOB altmode array index\n\nThe UCSI displayport driver indexes the connector's port altmode array\nwith the GET_CURRENT_CAM response aft…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: displayport: Fix OOB altmode array index\n\nThe UCSI displayport driver indexes the connector's port altmode array\nwith the GET_CURRENT_CAM response aft…","severity":"high","cvss":7.7,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= af8622f6a585d8d82b11cd7987e082861fd0edd3 < 8fde7e4a366184e9a6aa95541e52933a73c00a74","Linux >= af8622f6a585d8d82b11cd7987e082861fd0edd3 < 83f1abd62cc134700ba92e1e2dc650a49a185497","Linux >= af8622f6a585d8d82b11cd7987e082861fd0edd3 < 1ffed96ef986e2cdf986aa4a4506a5e6dcdf4456","Linux >= af8622f6a585d8d82b11cd7987e082861fd0edd3 < 58e0ee293ec5e06cacbe3953ad44042f1473dae9","Linux >= af8622f6a585d8d82b11cd7987e082861fd0edd3 < ac9f878c468052af6571e8639ab1c3ae040b908f","Linux >= af8622f6a585d8d82b11cd7987e082861fd0edd3 < 33a81acd2d1d0667d4eff93cb90339fa53e617e8","Linux >= af8622f6a585d8d82b11cd7987e082861fd0edd3 < bdaaf3074aedce8f1b173cc363d61cff5f6a585f","Linux >= af8622f6a585d8d82b11cd7987e082861fd0edd3 < 04cec690b1fd9d1c4c314b91a10d8c68a3acfe18","Linux 5.2"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T15:18:25.790","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90025","references":[{"url":"https://git.kernel.org/stable/c/04cec690b1fd9d1c4c314b91a10d8c68a3acfe18","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1ffed96ef986e2cdf986aa4a4506a5e6dcdf4456","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/33a81acd2d1d0667d4eff93cb90339fa53e617e8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/58e0ee293ec5e06cacbe3953ad44042f1473dae9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/83f1abd62cc134700ba92e1e2dc650a49a185497","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8fde7e4a366184e9a6aa95541e52933a73c00a74","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ac9f878c468052af6571e8639ab1c3ae040b908f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bdaaf3074aedce8f1b173cc363d61cff5f6a585f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.935Z","epss":0.0017,"epssPercentile":0.06716,"slug":"CVE-2026-90025","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: displayport: Fix OOB altmode array index\n\nThe UCSI displayport driver indexes the connector's port altmode array\nwith the GET_CURRENT_CAM response after checking it is not 0xff. The\nport altmode array is UCSI_MAX_ALTMODES elements long. If the PPM\nreturns an invalid GET_CURRENT_CAM response above UCSI_MAX_ALTMODES and\nnot equal to 0xff, the kernel may crash with an array index OOB error.\n\nUpdate the UCSI displayport driver to verify the current cam is less\nthan UCSI_MAX_ALTMODES before accessing the port altmode array.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":205005,"id":"CVE-2026-90025","ts":1789570702925,"field":"cvss","old":null,"new":"7.7"},{"seq":205004,"id":"CVE-2026-90025","ts":1789570702925,"field":"severity","old":"none","new":"high"}]}