CVE-2026-89623

CVE-2026-89623 affects the Linux kernel's HID mcp2221 driver . During probe failure or device removal, incoming HID reports could race with hardware teardown in the mcp2221_hid_unregister() devm cleanup callback, resulting in a potential use-after-free . The fix quiesces device I/O by calling hid...

CVE-2026-89621 HID: mcp2221: validate report size in mcp2221_raw_event()

In the Linux kernel, the following vulnerability has been resolved: HID: mcp2221: validate report size in mcp2221rawevent mcp2221rawevent never validates the size of incoming HID reports. In the MCP2221I2CGETDATA path it trusts the device-supplied data3 as the copy length without checking that 4 ...