CVE-2026-31615In 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 extra…
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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.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 4.5 before 6.6.136; from 6.12 before 6.12.83; from 6.13 before 6.18.24; from 6.19 before 6.19.14; from 7.0 before 7.0.1 | NVD |
References
- https://git.kernel.org/stable/c/1b2bfedccc4fb8c9572e1ea464f905424c91de2apatch
- https://git.kernel.org/stable/c/360aa6e71870a175a6d86af905be2ca171639eb3
- https://git.kernel.org/stable/c/37f430b2240655e6b0199a92aa1057e4d621be51patch
- https://git.kernel.org/stable/c/44216e3dd4455b798899b50eedb0ec3831dff8e0patch
- https://git.kernel.org/stable/c/7caaf76207f50c77abfd788380e19b2c23a94415
- https://git.kernel.org/stable/c/adb8014599fdf0818d3d93f1f74e06cd0bdec08dpatch
- https://git.kernel.org/stable/c/c4e5ae6db2328d2d9ed55d3005a36c13faab0752
- https://git.kernel.org/stable/c/e3d42598f2995cdc07b7779874e7c5f8a1b773dbpatch
- https://git.kernel.org/stable/c/f880aac8a57ebd92abfa685d45424b2998ac1059patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.