CVE Watch4 ago 2026

CVE-2022-50156

In the Linux kernel, the following vulnerability has been resolved: HID: cp2112: prevent a buffer overflow in cp2112_xfer() Smatch warning

CVSS

7.8

Alto

EPSS

0.2%

KEV

—

Exploit Today

0-100

Publicado: 18 jun 2025 · Última mod.: 4 ago 2026 · CWE-787

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-07-112026-08-07

Descripción técnica

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().

Referencias oficiales

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