VDB

DEBIAN-CVE-2022-50131

DEBIAN-CVE-2022-50131 PUBLISHED CVSS 7.800000190734863 HIGH

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().

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:14linux0, 0, 0
Debian:11linux0, 5.10.106-1, 5.10.127-1
Debian:12linux0, 0, 0
Debian:13linux0, 0, 0

Timeline

  • Jun 18, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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