CVE-2026-74460

medium

Description

In the Linux kernel, the following vulnerability has been resolved: can: ems_usb: validate CPC message lengths ems_usb_read_bulk_callback() walks CPC messages packed in one USB receive buffer. Check that each declared message fits in the URB payload. Also require the type-specific payload to cover the fields used by the CAN, state, error and overrun handlers.

References

https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a

https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea

https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d

https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5

https://git.kernel.org/stable/c/02925f51377f2a42a6724f00549167499c9302e5

Details

Source: Mitre, NVD

Published: 2026-08-15

Updated: 2026-08-15

Risk Information

CVSS v2

Base Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00168