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Vulnerability Details CVE-2026-31615

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: renesas_usb3: validate endpoint index in standard request handlers The GET_STATUS and SET/CLEAR_FEATURE handlers extract the endpoint number from the host-supplied wIndex without any sort of validation. Fix this up by validating the number of endpoints actually match up with the number the device has before attempting to dereference a pointer based on this math. This is just like what was done in commit ee0d382feb44 ("usb: gadget: aspeed_udc: validate endpoint index for ast udc") for the aspeed driver.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.4%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2026-31615


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