CVE-2026-74460

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/02925f51377f2a42a6724f00549167499c9302e5
• https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5
• https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d
• https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea
• https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a