CVE-2022-50156
Published: Jun 18, 2025
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: HID: cp2112: prevent a buffer overflow in cp2112_xfer() Smatch warnings: drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'data->block[1]' too small (33 vs 255) drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too small (64 vs 255) The 'read_length' variable is provided by 'data->block[0]' which comes from user and it(read_length) can take a value between 0-255. Add an upper bound to 'read_length' variable to prevent a buffer overflow in memcpy().
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 - < 3af7d60e9a6c17d6d41c4341f8020511887d372daffected 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 - < 519ff31a6ddd87aa4905bd9bf3b92e8b88801614affected 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 - < ebda3d6b004bb6127a66a616524a2de152302ca7affected 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 - < 8489a20ac481b08c0391608d81ed3796d373cfdfaffected 542134c0375b5ca2b1d18490c02b8a20bfdd8d74 - < e7028944e61014ae915e7fb74963d3835f2f761a+2 more versions |
Linux | Linux | affected 4.15unaffected 0 - < 4.15unaffected 4.19.256 - <= 4.19.*unaffected 5.4.211 - <= 5.4.*unaffected 5.10.137 - <= 5.10.*+4 more versions |
References
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