CVE-2022-50131
Published: Jun 18, 2025
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: HID: mcp2221: prevent a buffer overflow in mcp_smbus_write() Smatch Warning: drivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy() '&mcp->txbuf[5]' too small (59 vs 255) drivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy() 'buf' too small (34 vs 255) The 'len' variable can take a value between 0-255 as it can come from data->block[0] and it is user data. So add an bound check to prevent a buffer overflow in memcpy().
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 67a95c21463d066060b0f66d65a75d45bb386ffb - < 66c8e816f2f2ca4a61b406503bd10bad1b35f72faffected 67a95c21463d066060b0f66d65a75d45bb386ffb - < 91443c669d280937968f0aa4edefa741cfe35314affected 67a95c21463d066060b0f66d65a75d45bb386ffb - < 6402116a7b5ec80fa40fd145a80c813019cd555faffected 67a95c21463d066060b0f66d65a75d45bb386ffb - < 3c0f8a59f2cc8841ee6653399a77f4f3e6e9a270affected 67a95c21463d066060b0f66d65a75d45bb386ffb - < 62ac2473553a00229e67bdf3cb023b62cf7f5a9a |
Linux | Linux | affected 5.7unaffected 0 - < 5.7unaffected 5.10.137 - <= 5.10.*unaffected 5.15.61 - <= 5.15.*unaffected 5.18.18 - <= 5.18.*+2 more versions |
References
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