{"id":"CVE-2026-31615","state":"PUBLISHED","title":"usb: gadget: renesas_usb3: validate endpoint index in standard request handlers","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.","publishedAt":"2026-04-24T14:42:34.806Z","updatedAt":"2026-06-14T17:42:59.822Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"7caaf76207f50c77abfd788380e19b2c23a94415","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"c4e5ae6db2328d2d9ed55d3005a36c13faab0752","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"360aa6e71870a175a6d86af905be2ca171639eb3","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"1b2bfedccc4fb8c9572e1ea464f905424c91de2a","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"adb8014599fdf0818d3d93f1f74e06cd0bdec08d","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"44216e3dd4455b798899b50eedb0ec3831dff8e0","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"37f430b2240655e6b0199a92aa1057e4d621be51","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"e3d42598f2995cdc07b7779874e7c5f8a1b773db","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"f880aac8a57ebd92abfa685d45424b2998ac1059","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/udc/renesas_usb3.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.5","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.136","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.83","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.24","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.14","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0.1","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/udc/renesas_usb3.c"]}],"references":["https://git.kernel.org/stable/c/7caaf76207f50c77abfd788380e19b2c23a94415","https://git.kernel.org/stable/c/c4e5ae6db2328d2d9ed55d3005a36c13faab0752","https://git.kernel.org/stable/c/360aa6e71870a175a6d86af905be2ca171639eb3","https://git.kernel.org/stable/c/1b2bfedccc4fb8c9572e1ea464f905424c91de2a","https://git.kernel.org/stable/c/adb8014599fdf0818d3d93f1f74e06cd0bdec08d","https://git.kernel.org/stable/c/44216e3dd4455b798899b50eedb0ec3831dff8e0","https://git.kernel.org/stable/c/37f430b2240655e6b0199a92aa1057e4d621be51","https://git.kernel.org/stable/c/e3d42598f2995cdc07b7779874e7c5f8a1b773db","https://git.kernel.org/stable/c/f880aac8a57ebd92abfa685d45424b2998ac1059"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31615.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31615","state":"PUBLISHED","datePublished":"2026-04-24T14:42:34.806Z","dateUpdated":"2026-06-14T17:42:59.822Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-03-09T15:48:24.123Z"},"containers":{"cna":{"title":"usb: gadget: renesas_usb3: validate endpoint index in standard request handlers","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"7caaf76207f50c77abfd788380e19b2c23a94415","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"c4e5ae6db2328d2d9ed55d3005a36c13faab0752","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"360aa6e71870a175a6d86af905be2ca171639eb3","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"1b2bfedccc4fb8c9572e1ea464f905424c91de2a","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"adb8014599fdf0818d3d93f1f74e06cd0bdec08d","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"44216e3dd4455b798899b50eedb0ec3831dff8e0","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"37f430b2240655e6b0199a92aa1057e4d621be51","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"e3d42598f2995cdc07b7779874e7c5f8a1b773db","versionType":"git"},{"version":"746bfe63bba37ad55956b7377c9af494e7e28929","status":"affected","lessThan":"f880aac8a57ebd92abfa685d45424b2998ac1059","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/udc/renesas_usb3.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.5","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.136","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.83","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.24","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.14","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0.1","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/udc/renesas_usb3.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7caaf76207f50c77abfd788380e19b2c23a94415"},{"url":"https://git.kernel.org/stable/c/c4e5ae6db2328d2d9ed55d3005a36c13faab0752"},{"url":"https://git.kernel.org/stable/c/360aa6e71870a175a6d86af905be2ca171639eb3"},{"url":"https://git.kernel.org/stable/c/1b2bfedccc4fb8c9572e1ea464f905424c91de2a"},{"url":"https://git.kernel.org/stable/c/adb8014599fdf0818d3d93f1f74e06cd0bdec08d"},{"url":"https://git.kernel.org/stable/c/44216e3dd4455b798899b50eedb0ec3831dff8e0"},{"url":"https://git.kernel.org/stable/c/37f430b2240655e6b0199a92aa1057e4d621be51"},{"url":"https://git.kernel.org/stable/c/e3d42598f2995cdc07b7779874e7c5f8a1b773db"},{"url":"https://git.kernel.org/stable/c/f880aac8a57ebd92abfa685d45424b2998ac1059"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:42:59.822Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.6.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.12.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.18.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.19.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"7.0.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":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