CVE-2026-74455

high

Description

In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: validate uCAN receive record lengths pcan_usb_fd_decode_buf() walks uCAN records packed in one USB receive buffer. Require each record to contain the fixed header for its type, and verify CAN payload bytes before copying them into the skb.

References

https://git.kernel.org/stable/c/d9c115948c3dd5fcc2d0245cec5eb76c098503c8

https://git.kernel.org/stable/c/93fcab2c6968446316bbb49548848df604d6346f

https://git.kernel.org/stable/c/6067c878e38d02a3d5c43497347e143f85c9064a

https://git.kernel.org/stable/c/2c8f08f3641a074da40acf05baa5a18ae2739260

https://git.kernel.org/stable/c/2427ef427bdd78d862c7c76597bfd9eda88b81f1

Details

Source: Mitre, NVD

Published: 2026-08-15

Updated: 2026-08-15

Risk Information

CVSS v2

Base Score: 6.1

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

Severity: Medium

CVSS v3

Base Score: 7.1

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

Severity: High

EPSS

EPSS: 0.00168