CVE - CVE-2022-50156

CVE-ID
CVE-2022-50156	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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().
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/26e427ac85c2b8d0d108cc80b6de34d33e2780c4 URL:https://git.kernel.org/stable/c/26e427ac85c2b8d0d108cc80b6de34d33e2780c4 MISC:https://git.kernel.org/stable/c/381583845d19cb4bd21c8193449385f3fefa9caf URL:https://git.kernel.org/stable/c/381583845d19cb4bd21c8193449385f3fefa9caf MISC:https://git.kernel.org/stable/c/3af7d60e9a6c17d6d41c4341f8020511887d372d URL:https://git.kernel.org/stable/c/3af7d60e9a6c17d6d41c4341f8020511887d372d MISC:https://git.kernel.org/stable/c/519ff31a6ddd87aa4905bd9bf3b92e8b88801614 URL:https://git.kernel.org/stable/c/519ff31a6ddd87aa4905bd9bf3b92e8b88801614 MISC:https://git.kernel.org/stable/c/8489a20ac481b08c0391608d81ed3796d373cfdf URL:https://git.kernel.org/stable/c/8489a20ac481b08c0391608d81ed3796d373cfdf MISC:https://git.kernel.org/stable/c/e7028944e61014ae915e7fb74963d3835f2f761a URL:https://git.kernel.org/stable/c/e7028944e61014ae915e7fb74963d3835f2f761a MISC:https://git.kernel.org/stable/c/ebda3d6b004bb6127a66a616524a2de152302ca7 URL:https://git.kernel.org/stable/c/ebda3d6b004bb6127a66a616524a2de152302ca7
Assigning CNA
kernel.org
Date Record Created
20250618	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250618)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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