{"cve":"CVE-2026-31615","nvd":{"published":"2026-04-24T15:16:40.767","modified":"2026-06-17T10:34:05.703","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: renesas_usb3: validate endpoint index in standard request handlers\n\nThe GET_STATUS and SET/CLEAR_FEATURE handlers extract the endpoint\nnumber from the host-supplied wIndex without any sort of validation.\nFix this up by validating the number of endpoints actually match up with\nthe number the device has before attempting to dereference a pointer\nbased on this math.\n\nThis is just like what was done in commit ee0d382feb44 (\"usb: gadget:\naspeed_udc: validate endpoint index for ast udc\") for the aspeed driver.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/1b2bfedccc4fb8c9572e1ea464f905424c91de2a","https://git.kernel.org/stable/c/360aa6e71870a175a6d86af905be2ca171639eb3","https://git.kernel.org/stable/c/37f430b2240655e6b0199a92aa1057e4d621be51","https://git.kernel.org/stable/c/44216e3dd4455b798899b50eedb0ec3831dff8e0","https://git.kernel.org/stable/c/7caaf76207f50c77abfd788380e19b2c23a94415"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:09.003606135+00:00"},"epss":{"cve":"CVE-2026-31615","score":0.00125,"percentile":0.02203,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}